21258270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 61158240

約数和(自身を除く): 39899970

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 109, 110, 165, 197, 198, 218, 327, 330, 394, 495, 545, 591, 654, 981, 985, 990, 1090, 1182, 1199, 1635, 1773, 1962, 1970, 2167, 2398, 2955, 3270, 3546, 3597, 4334, 4905, 5910, 5995, 6501, 7194, 8865, 9810, 10791, 10835, 11990, 13002, 17730, 17985, 19503, 21473, 21582, 21670, 32505, 35970, 39006, 42946, 53955, 64419, 65010, 97515, 107365, 107910, 128838, 193257, 195030, 214730, 236203, 322095, 386514, 472406, 644190, 708609, 966285, 1181015, 1417218, 1932570, 2125827, 2362030, 3543045, 4251654, 7086090, 10629135, 21258270]

約数ペア:

[(1, 21258270), (2, 10629135), (3, 7086090), (5, 4251654), (6, 3543045), (9, 2362030), (10, 2125827), (11, 1932570), (15, 1417218), (18, 1181015), (22, 966285), (30, 708609), (33, 644190), (45, 472406), (55, 386514), (66, 322095), (90, 236203), (99, 214730), (109, 195030), (110, 193257), (165, 128838), (197, 107910), (198, 107365), (218, 97515), (327, 65010), (330, 64419), (394, 53955), (495, 42946), (545, 39006), (591, 35970), (654, 32505), (981, 21670), (985, 21582), (990, 21473), (1090, 19503), (1182, 17985), (1199, 17730), (1635, 13002), (1773, 11990), (1962, 10835), (1970, 10791), (2167, 9810), (2398, 8865), (2955, 7194), (3270, 6501), (3546, 5995), (3597, 5910), (4334, 4905)]