21915008

素因数分解:

$2^7\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 43878360

約数和(自身を除く): 21963352

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 313, 547, 626, 1094, 1252, 2188, 2504, 4376, 5008, 8752, 10016, 17504, 20032, 35008, 40064, 70016, 171211, 342422, 684844, 1369688, 2739376, 5478752, 10957504, 21915008]

約数ペア:

[(1, 21915008), (2, 10957504), (4, 5478752), (8, 2739376), (16, 1369688), (32, 684844), (64, 342422), (128, 171211), (313, 70016), (547, 40064), (626, 35008), (1094, 20032), (1252, 17504), (2188, 10016), (2504, 8752), (4376, 5008)]