21952960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2261

約数の個数: 56

約数和(自身を含む): 53986176

約数和(自身を除く): 32033216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2213, 2480, 4426, 4960, 8852, 9920, 11065, 17704, 22130, 35408, 44260, 68603, 70816, 88520, 137206, 141632, 177040, 274412, 343015, 354080, 548824, 686030, 708160, 1097648, 1372060, 2195296, 2744120, 4390592, 5488240, 10976480, 21952960]

約数ペア:

[(1, 21952960), (2, 10976480), (4, 5488240), (5, 4390592), (8, 2744120), (10, 2195296), (16, 1372060), (20, 1097648), (31, 708160), (32, 686030), (40, 548824), (62, 354080), (64, 343015), (80, 274412), (124, 177040), (155, 141632), (160, 137206), (248, 88520), (310, 70816), (320, 68603), (496, 44260), (620, 35408), (992, 22130), (1240, 17704), (1984, 11065), (2213, 9920), (2480, 8852), (4426, 4960)]