21873808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3359}}^1$

素因数の和:3415

約数の個数: 40

約数和(自身を含む): 47496960

約数和(自身を除く): 25623152

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3256, 3359, 6512, 6718, 13436, 26872, 36949, 53744, 73898, 124283, 147796, 248566, 295592, 497132, 591184, 994264, 1367113, 1988528, 2734226, 5468452, 10936904, 21873808]

約数ペア:

[(1, 21873808), (2, 10936904), (4, 5468452), (8, 2734226), (11, 1988528), (16, 1367113), (22, 994264), (37, 591184), (44, 497132), (74, 295592), (88, 248566), (148, 147796), (176, 124283), (296, 73898), (407, 53744), (592, 36949), (814, 26872), (1628, 13436), (3256, 6718), (3359, 6512)]