21228570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:588

約数の個数: 96

約数和(自身を含む): 61798464

約数和(自身を除く): 40569894

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 41, 45, 55, 66, 82, 90, 99, 110, 123, 165, 198, 205, 246, 330, 369, 410, 451, 495, 523, 615, 738, 902, 990, 1046, 1230, 1353, 1569, 1845, 2255, 2615, 2706, 3138, 3690, 4059, 4510, 4707, 5230, 5753, 6765, 7845, 8118, 9414, 11506, 13530, 15690, 17259, 20295, 21443, 23535, 28765, 34518, 40590, 42886, 47070, 51777, 57530, 64329, 86295, 103554, 107215, 128658, 172590, 192987, 214430, 235873, 258885, 321645, 385974, 471746, 517770, 643290, 707619, 964935, 1179365, 1415238, 1929870, 2122857, 2358730, 3538095, 4245714, 7076190, 10614285, 21228570]

約数ペア:

[(1, 21228570), (2, 10614285), (3, 7076190), (5, 4245714), (6, 3538095), (9, 2358730), (10, 2122857), (11, 1929870), (15, 1415238), (18, 1179365), (22, 964935), (30, 707619), (33, 643290), (41, 517770), (45, 471746), (55, 385974), (66, 321645), (82, 258885), (90, 235873), (99, 214430), (110, 192987), (123, 172590), (165, 128658), (198, 107215), (205, 103554), (246, 86295), (330, 64329), (369, 57530), (410, 51777), (451, 47070), (495, 42886), (523, 40590), (615, 34518), (738, 28765), (902, 23535), (990, 21443), (1046, 20295), (1230, 17259), (1353, 15690), (1569, 13530), (1845, 11506), (2255, 9414), (2615, 8118), (2706, 7845), (3138, 6765), (3690, 5753), (4059, 5230), (4510, 4707)]