21878430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104183}}^1$

素因数の和:104200

約数の個数: 32

約数和(自身を含む): 60009984

約数和(自身を除く): 38131554

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104183, 208366, 312549, 520915, 625098, 729281, 1041830, 1458562, 1562745, 2187843, 3125490, 3646405, 4375686, 7292810, 10939215, 21878430]

約数ペア:

[(1, 21878430), (2, 10939215), (3, 7292810), (5, 4375686), (6, 3646405), (7, 3125490), (10, 2187843), (14, 1562745), (15, 1458562), (21, 1041830), (30, 729281), (35, 625098), (42, 520915), (70, 312549), (105, 208366), (210, 104183)]