21502068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255977}}^1$

素因数の和:255991

約数の個数: 24

約数和(自身を含む): 57339072

約数和(自身を除く): 35837004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255977, 511954, 767931, 1023908, 1535862, 1791839, 3071724, 3583678, 5375517, 7167356, 10751034, 21502068]

約数ペア:

[(1, 21502068), (2, 10751034), (3, 7167356), (4, 5375517), (6, 3583678), (7, 3071724), (12, 1791839), (14, 1535862), (21, 1023908), (28, 767931), (42, 511954), (84, 255977)]