21351459780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{4007}}^1\times {\mathrm{4229}}^1$

素因数の和:8258

約数の個数: 144

約数和(自身を含む): 74054373120

約数和(自身を除く): 52702913340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 4007, 4229, 8014, 8458, 12021, 12687, 16028, 16916, 20035, 21145, 24042, 25374, 28049, 29603, 36063, 38061, 40070, 42290, 48084, 50748, 56098, 59206, 60105, 63435, 72126, 76122, 80140, 84147, 84580, 88809, 112196, 118412, 120210, 126870, 140245, 144252, 148015, 152244, 168294, 177618, 180315, 190305, 240420, 252441, 253740, 266427, 280490, 296030, 336588, 355236, 360630, 380610, 420735, 444045, 504882, 532854, 560980, 592060, 721260, 761220, 841470, 888090, 1009764, 1065708, 1262205, 1332135, 1682940, 1776180, 2524410, 2664270, 5048820, 5328540, 16945603, 33891206, 50836809, 67782412, 84728015, 101673618, 118619221, 152510427, 169456030, 203347236, 237238442, 254184045, 305020854, 338912060, 355857663, 474476884, 508368090, 593096105, 610041708, 711715326, 762552135, 1016736180, 1067572989, 1186192210, 1423430652, 1525104270, 1779288315, 2135145978, 2372384420, 3050208540, 3558576630, 4270291956, 5337864945, 7117153260, 10675729890, 21351459780]

約数ペア:

[(1, 21351459780), (2, 10675729890), (3, 7117153260), (4, 5337864945), (5, 4270291956), (6, 3558576630), (7, 3050208540), (9, 2372384420), (10, 2135145978), (12, 1779288315), (14, 1525104270), (15, 1423430652), (18, 1186192210), (20, 1067572989), (21, 1016736180), (28, 762552135), (30, 711715326), (35, 610041708), (36, 593096105), (42, 508368090), (45, 474476884), (60, 355857663), (63, 338912060), (70, 305020854), (84, 254184045), (90, 237238442), (105, 203347236), (126, 169456030), (140, 152510427), (180, 118619221), (210, 101673618), (252, 84728015), (315, 67782412), (420, 50836809), (630, 33891206), (1260, 16945603), (4007, 5328540), (4229, 5048820), (8014, 2664270), (8458, 2524410), (12021, 1776180), (12687, 1682940), (16028, 1332135), (16916, 1262205), (20035, 1065708), (21145, 1009764), (24042, 888090), (25374, 841470), (28049, 761220), (29603, 721260), (36063, 592060), (38061, 560980), (40070, 532854), (42290, 504882), (48084, 444045), (50748, 420735), (56098, 380610), (59206, 360630), (60105, 355236), (63435, 336588), (72126, 296030), (76122, 280490), (80140, 266427), (84147, 253740), (84580, 252441), (88809, 240420), (112196, 190305), (118412, 180315), (120210, 177618), (126870, 168294), (140245, 152244), (144252, 148015)]