21620330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19022230

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 719, 970, 1438, 3007, 3595, 6014, 7190, 15035, 22289, 30070, 44578, 69743, 111445, 139486, 222890, 348715, 697430, 2162033, 4324066, 10810165, 21620330]

約数ペア:

[(1, 21620330), (2, 10810165), (5, 4324066), (10, 2162033), (31, 697430), (62, 348715), (97, 222890), (155, 139486), (194, 111445), (310, 69743), (485, 44578), (719, 30070), (970, 22289), (1438, 15035), (3007, 7190), (3595, 6014)]