21864250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4603}}^1$

素因数の和:4639

約数の個数: 32

約数和(自身を含む): 43093440

約数和(自身を除く): 21229190

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4603, 4750, 9206, 23015, 46030, 87457, 115075, 174914, 230150, 437285, 575375, 874570, 1150750, 2186425, 4372850, 10932125, 21864250]

約数ペア:

[(1, 21864250), (2, 10932125), (5, 4372850), (10, 2186425), (19, 1150750), (25, 874570), (38, 575375), (50, 437285), (95, 230150), (125, 174914), (190, 115075), (250, 87457), (475, 46030), (950, 23015), (2375, 9206), (4603, 4750)]