21602968

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 42339600

約数和(自身を除く): 20736632

約数列:

[1, 2, 4, 8, 37, 59, 74, 118, 148, 236, 296, 472, 1237, 2183, 2474, 4366, 4948, 8732, 9896, 17464, 45769, 72983, 91538, 145966, 183076, 291932, 366152, 583864, 2700371, 5400742, 10801484, 21602968]

約数ペア:

[(1, 21602968), (2, 10801484), (4, 5400742), (8, 2700371), (37, 583864), (59, 366152), (74, 291932), (118, 183076), (148, 145966), (236, 91538), (296, 72983), (472, 45769), (1237, 17464), (2183, 9896), (2474, 8732), (4366, 4948)]