21966735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1597}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 40499712

約数和(自身を除く): 18532977

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1597, 1965, 2751, 4585, 4791, 7985, 11179, 13755, 23955, 33537, 55895, 167685, 209207, 627621, 1046035, 1464449, 3138105, 4393347, 7322245, 21966735]

約数ペア:

[(1, 21966735), (3, 7322245), (5, 4393347), (7, 3138105), (15, 1464449), (21, 1046035), (35, 627621), (105, 209207), (131, 167685), (393, 55895), (655, 33537), (917, 23955), (1597, 13755), (1965, 11179), (2751, 7985), (4585, 4791)]