21532410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{571}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 34683750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 419, 571, 838, 1142, 1257, 1713, 2095, 2514, 2855, 3426, 3771, 4190, 5139, 5710, 6285, 7542, 8565, 10278, 12570, 17130, 18855, 25695, 37710, 51390, 239249, 478498, 717747, 1196245, 1435494, 2153241, 2392490, 3588735, 4306482, 7177470, 10766205, 21532410]

約数ペア:

[(1, 21532410), (2, 10766205), (3, 7177470), (5, 4306482), (6, 3588735), (9, 2392490), (10, 2153241), (15, 1435494), (18, 1196245), (30, 717747), (45, 478498), (90, 239249), (419, 51390), (571, 37710), (838, 25695), (1142, 18855), (1257, 17130), (1713, 12570), (2095, 10278), (2514, 8565), (2855, 7542), (3426, 6285), (3771, 5710), (4190, 5139)]