21916860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{52183}}^1$

素因数の和:52202

約数の個数: 48

約数和(自身を含む): 70135296

約数和(自身を除く): 48218436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 52183, 104366, 156549, 208732, 260915, 313098, 365281, 521830, 626196, 730562, 782745, 1043660, 1095843, 1461124, 1565490, 1826405, 2191686, 3130980, 3652810, 4383372, 5479215, 7305620, 10958430, 21916860]

約数ペア:

[(1, 21916860), (2, 10958430), (3, 7305620), (4, 5479215), (5, 4383372), (6, 3652810), (7, 3130980), (10, 2191686), (12, 1826405), (14, 1565490), (15, 1461124), (20, 1095843), (21, 1043660), (28, 782745), (30, 730562), (35, 626196), (42, 521830), (60, 365281), (70, 313098), (84, 260915), (105, 208732), (140, 156549), (210, 104366), (420, 52183)]