21858968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4695

約数の個数: 32

約数和(自身を含む): 44544000

約数和(自身を除く): 22685032

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4639, 4712, 9278, 18556, 37112, 88141, 143809, 176282, 287618, 352564, 575236, 705128, 1150472, 2732371, 5464742, 10929484, 21858968]

約数ペア:

[(1, 21858968), (2, 10929484), (4, 5464742), (8, 2732371), (19, 1150472), (31, 705128), (38, 575236), (62, 352564), (76, 287618), (124, 176282), (152, 143809), (248, 88141), (589, 37112), (1178, 18556), (2356, 9278), (4639, 4712)]