21153376

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 23426432

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 82, 92, 164, 184, 328, 368, 656, 701, 736, 943, 1312, 1402, 1886, 2804, 3772, 5608, 7544, 11216, 15088, 16123, 22432, 28741, 30176, 32246, 57482, 64492, 114964, 128984, 229928, 257968, 459856, 515936, 661043, 919712, 1322086, 2644172, 5288344, 10576688, 21153376]

約数ペア:

[(1, 21153376), (2, 10576688), (4, 5288344), (8, 2644172), (16, 1322086), (23, 919712), (32, 661043), (41, 515936), (46, 459856), (82, 257968), (92, 229928), (164, 128984), (184, 114964), (328, 64492), (368, 57482), (656, 32246), (701, 30176), (736, 28741), (943, 22432), (1312, 16123), (1402, 15088), (1886, 11216), (2804, 7544), (3772, 5608)]