21861270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 38791530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 59, 69, 90, 115, 118, 138, 177, 179, 207, 230, 295, 345, 354, 358, 414, 531, 537, 590, 690, 885, 895, 1035, 1062, 1074, 1357, 1611, 1770, 1790, 2070, 2655, 2685, 2714, 3222, 4071, 4117, 5310, 5370, 6785, 8055, 8142, 8234, 10561, 12213, 12351, 13570, 16110, 20355, 20585, 21122, 24426, 24702, 31683, 37053, 40710, 41170, 52805, 61065, 61755, 63366, 74106, 95049, 105610, 122130, 123510, 158415, 185265, 190098, 242903, 316830, 370530, 475245, 485806, 728709, 950490, 1214515, 1457418, 2186127, 2429030, 3643545, 4372254, 7287090, 10930635, 21861270]

約数ペア:

[(1, 21861270), (2, 10930635), (3, 7287090), (5, 4372254), (6, 3643545), (9, 2429030), (10, 2186127), (15, 1457418), (18, 1214515), (23, 950490), (30, 728709), (45, 485806), (46, 475245), (59, 370530), (69, 316830), (90, 242903), (115, 190098), (118, 185265), (138, 158415), (177, 123510), (179, 122130), (207, 105610), (230, 95049), (295, 74106), (345, 63366), (354, 61755), (358, 61065), (414, 52805), (531, 41170), (537, 40710), (590, 37053), (690, 31683), (885, 24702), (895, 24426), (1035, 21122), (1062, 20585), (1074, 20355), (1357, 16110), (1611, 13570), (1770, 12351), (1790, 12213), (2070, 10561), (2655, 8234), (2685, 8142), (2714, 8055), (3222, 6785), (4071, 5370), (4117, 5310)]