21858704

素因数分解:

$2^4\times 7^4\times {\mathrm{569}}^1$

素因数の和:605

約数の個数: 50

約数和(自身を含む): 49493670

約数和(自身を除く): 27634966

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 569, 686, 784, 1138, 1372, 2276, 2401, 2744, 3983, 4552, 4802, 5488, 7966, 9104, 9604, 15932, 19208, 27881, 31864, 38416, 55762, 63728, 111524, 195167, 223048, 390334, 446096, 780668, 1366169, 1561336, 2732338, 3122672, 5464676, 10929352, 21858704]

約数ペア:

[(1, 21858704), (2, 10929352), (4, 5464676), (7, 3122672), (8, 2732338), (14, 1561336), (16, 1366169), (28, 780668), (49, 446096), (56, 390334), (98, 223048), (112, 195167), (196, 111524), (343, 63728), (392, 55762), (569, 38416), (686, 31864), (784, 27881), (1138, 19208), (1372, 15932), (2276, 9604), (2401, 9104), (2744, 7966), (3983, 5488), (4552, 4802)]