21374050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 42408000

約数和(自身を除く): 21033950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 151, 190, 298, 302, 475, 745, 755, 950, 1490, 1510, 2831, 2869, 3725, 3775, 5662, 5738, 7450, 7550, 14155, 14345, 22499, 28310, 28690, 44998, 70775, 71725, 112495, 141550, 143450, 224990, 427481, 562475, 854962, 1124950, 2137405, 4274810, 10687025, 21374050]

約数ペア:

[(1, 21374050), (2, 10687025), (5, 4274810), (10, 2137405), (19, 1124950), (25, 854962), (38, 562475), (50, 427481), (95, 224990), (149, 143450), (151, 141550), (190, 112495), (298, 71725), (302, 70775), (475, 44998), (745, 28690), (755, 28310), (950, 22499), (1490, 14345), (1510, 14155), (2831, 7550), (2869, 7450), (3725, 5738), (3775, 5662)]