21651965160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{1511}}^1\times {\mathrm{2437}}^1$

素因数の和:3976

約数の個数: 192

約数和(自身を含む): 75641973120

約数和(自身を除く): 53990007960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1511, 1960, 2437, 2940, 3022, 4533, 4874, 5880, 6044, 7311, 7555, 9066, 9748, 10577, 12088, 12185, 14622, 15110, 17059, 18132, 19496, 21154, 22665, 24370, 29244, 30220, 31731, 34118, 36264, 36555, 42308, 45330, 48740, 51177, 52885, 58488, 60440, 63462, 68236, 73110, 74039, 84616, 85295, 90660, 97480, 102354, 105770, 119413, 126924, 136472, 146220, 148078, 158655, 170590, 181320, 204708, 211540, 222117, 238826, 253848, 255885, 292440, 296156, 317310, 341180, 358239, 370195, 409416, 423080, 444234, 477652, 511770, 592312, 597065, 634620, 682360, 716478, 740390, 888468, 955304, 1023540, 1110585, 1194130, 1269240, 1432956, 1480780, 1776936, 1791195, 2047080, 2221170, 2388260, 2865912, 2961560, 3582390, 3682307, 4442340, 4776520, 7164780, 7364614, 8884680, 11046921, 14329560, 14729228, 18411535, 22093842, 25776149, 29458456, 36823070, 44187684, 51552298, 55234605, 73646140, 77328447, 88375368, 103104596, 110469210, 128880745, 147292280, 154656894, 180433043, 206209192, 220938420, 257761490, 309313788, 360866086, 386642235, 441876840, 515522980, 541299129, 618627576, 721732172, 773284470, 902165215, 1031045960, 1082598258, 1443464344, 1546568940, 1804330430, 2165196516, 2706495645, 3093137880, 3608660860, 4330393032, 5412991290, 7217321720, 10825982580, 21651965160]

約数ペア:

[(1, 21651965160), (2, 10825982580), (3, 7217321720), (4, 5412991290), (5, 4330393032), (6, 3608660860), (7, 3093137880), (8, 2706495645), (10, 2165196516), (12, 1804330430), (14, 1546568940), (15, 1443464344), (20, 1082598258), (21, 1031045960), (24, 902165215), (28, 773284470), (30, 721732172), (35, 618627576), (40, 541299129), (42, 515522980), (49, 441876840), (56, 386642235), (60, 360866086), (70, 309313788), (84, 257761490), (98, 220938420), (105, 206209192), (120, 180433043), (140, 154656894), (147, 147292280), (168, 128880745), (196, 110469210), (210, 103104596), (245, 88375368), (280, 77328447), (294, 73646140), (392, 55234605), (420, 51552298), (490, 44187684), (588, 36823070), (735, 29458456), (840, 25776149), (980, 22093842), (1176, 18411535), (1470, 14729228), (1511, 14329560), (1960, 11046921), (2437, 8884680), (2940, 7364614), (3022, 7164780), (4533, 4776520), (4874, 4442340), (5880, 3682307), (6044, 3582390), (7311, 2961560), (7555, 2865912), (9066, 2388260), (9748, 2221170), (10577, 2047080), (12088, 1791195), (12185, 1776936), (14622, 1480780), (15110, 1432956), (17059, 1269240), (18132, 1194130), (19496, 1110585), (21154, 1023540), (22665, 955304), (24370, 888468), (29244, 740390), (30220, 716478), (31731, 682360), (34118, 634620), (36264, 597065), (36555, 592312), (42308, 511770), (45330, 477652), (48740, 444234), (51177, 423080), (52885, 409416), (58488, 370195), (60440, 358239), (63462, 341180), (68236, 317310), (73110, 296156), (74039, 292440), (84616, 255885), (85295, 253848), (90660, 238826), (97480, 222117), (102354, 211540), (105770, 204708), (119413, 181320), (126924, 170590), (136472, 158655), (146220, 148078)]