21937448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5701}}^1$

素因数の和:5757

約数の個数: 32

約数和(自身を含む): 45501960

約数和(自身を除く): 23564512

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5701, 11402, 22804, 45608, 74113, 148226, 210937, 296452, 421874, 592904, 843748, 1687496, 2742181, 5484362, 10968724, 21937448]

約数ペア:

[(1, 21937448), (2, 10968724), (4, 5484362), (8, 2742181), (13, 1687496), (26, 843748), (37, 592904), (52, 421874), (74, 296452), (104, 210937), (148, 148226), (296, 74113), (481, 45608), (962, 22804), (1924, 11402), (3848, 5701)]