21838960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 62995968

約数和(自身を除く): 41157008

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 80, 83, 88, 92, 104, 110, 115, 130, 143, 166, 176, 184, 208, 220, 230, 253, 260, 286, 299, 332, 368, 415, 440, 460, 506, 520, 572, 598, 664, 715, 830, 880, 913, 920, 1012, 1040, 1079, 1144, 1196, 1265, 1328, 1430, 1495, 1660, 1826, 1840, 1909, 2024, 2158, 2288, 2392, 2530, 2860, 2990, 3289, 3320, 3652, 3818, 4048, 4316, 4565, 4784, 5060, 5395, 5720, 5980, 6578, 6640, 7304, 7636, 8632, 9130, 9545, 10120, 10790, 11440, 11869, 11960, 13156, 14608, 15272, 16445, 17264, 18260, 19090, 20240, 20999, 21580, 23738, 23920, 24817, 26312, 30544, 32890, 36520, 38180, 41998, 43160, 47476, 49634, 52624, 59345, 65780, 73040, 76360, 83996, 86320, 94952, 99268, 104995, 118690, 124085, 131560, 152720, 167992, 189904, 198536, 209990, 237380, 248170, 263120, 272987, 335984, 397072, 419980, 474760, 496340, 545974, 839960, 949520, 992680, 1091948, 1364935, 1679920, 1985360, 2183896, 2729870, 4367792, 5459740, 10919480, 21838960]

約数ペア:

[(1, 21838960), (2, 10919480), (4, 5459740), (5, 4367792), (8, 2729870), (10, 2183896), (11, 1985360), (13, 1679920), (16, 1364935), (20, 1091948), (22, 992680), (23, 949520), (26, 839960), (40, 545974), (44, 496340), (46, 474760), (52, 419980), (55, 397072), (65, 335984), (80, 272987), (83, 263120), (88, 248170), (92, 237380), (104, 209990), (110, 198536), (115, 189904), (130, 167992), (143, 152720), (166, 131560), (176, 124085), (184, 118690), (208, 104995), (220, 99268), (230, 94952), (253, 86320), (260, 83996), (286, 76360), (299, 73040), (332, 65780), (368, 59345), (415, 52624), (440, 49634), (460, 47476), (506, 43160), (520, 41998), (572, 38180), (598, 36520), (664, 32890), (715, 30544), (830, 26312), (880, 24817), (913, 23920), (920, 23738), (1012, 21580), (1040, 20999), (1079, 20240), (1144, 19090), (1196, 18260), (1265, 17264), (1328, 16445), (1430, 15272), (1495, 14608), (1660, 13156), (1826, 11960), (1840, 11869), (1909, 11440), (2024, 10790), (2158, 10120), (2288, 9545), (2392, 9130), (2530, 8632), (2860, 7636), (2990, 7304), (3289, 6640), (3320, 6578), (3652, 5980), (3818, 5720), (4048, 5395), (4316, 5060), (4565, 4784)]