21315870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8167}}^1$

素因数の和:8209

約数の個数: 48

約数和(自身を含む): 57339360

約数和(自身を除く): 36023490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8167, 16334, 24501, 40835, 49002, 73503, 81670, 122505, 147006, 236843, 245010, 367515, 473686, 710529, 735030, 1184215, 1421058, 2131587, 2368430, 3552645, 4263174, 7105290, 10657935, 21315870]

約数ペア:

[(1, 21315870), (2, 10657935), (3, 7105290), (5, 4263174), (6, 3552645), (9, 2368430), (10, 2131587), (15, 1421058), (18, 1184215), (29, 735030), (30, 710529), (45, 473686), (58, 367515), (87, 245010), (90, 236843), (145, 147006), (174, 122505), (261, 81670), (290, 73503), (435, 49002), (522, 40835), (870, 24501), (1305, 16334), (2610, 8167)]