21297845170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19319}}^1\times {\mathrm{15749}}^1$

素因数の和:35082

約数の個数: 32

約数和(自身を含む): 43817760000

約数和(自身を除く): 22519914830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 15749, 19319, 31498, 38638, 78745, 96595, 110243, 135233, 157490, 193190, 220486, 270466, 551215, 676165, 1102430, 1352330, 304254931, 608509862, 1521274655, 2129784517, 3042549310, 4259569034, 10648922585, 21297845170]

約数ペア:

[(1, 21297845170), (2, 10648922585), (5, 4259569034), (7, 3042549310), (10, 2129784517), (14, 1521274655), (35, 608509862), (70, 304254931), (15749, 1352330), (19319, 1102430), (31498, 676165), (38638, 551215), (78745, 270466), (96595, 220486), (110243, 193190), (135233, 157490)]