21432176

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 43736784

約数和(自身を除く): 22304608

約数列:

[1, 2, 4, 8, 16, 37, 41, 74, 82, 148, 164, 296, 328, 592, 656, 883, 1517, 1766, 3034, 3532, 6068, 7064, 12136, 14128, 24272, 32671, 36203, 65342, 72406, 130684, 144812, 261368, 289624, 522736, 579248, 1339511, 2679022, 5358044, 10716088, 21432176]

約数ペア:

[(1, 21432176), (2, 10716088), (4, 5358044), (8, 2679022), (16, 1339511), (37, 579248), (41, 522736), (74, 289624), (82, 261368), (148, 144812), (164, 130684), (296, 72406), (328, 65342), (592, 36203), (656, 32671), (883, 24272), (1517, 14128), (1766, 12136), (3034, 7064), (3532, 6068)]