21127728

素因数分解:

$2^4\times 3^1\times {\mathrm{179}}^1\times {\mathrm{2459}}^1$

素因数の和:2649

約数の個数: 40

約数和(自身を含む): 54907200

約数和(自身を除く): 33779472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 179, 358, 537, 716, 1074, 1432, 2148, 2459, 2864, 4296, 4918, 7377, 8592, 9836, 14754, 19672, 29508, 39344, 59016, 118032, 440161, 880322, 1320483, 1760644, 2640966, 3521288, 5281932, 7042576, 10563864, 21127728]

約数ペア:

[(1, 21127728), (2, 10563864), (3, 7042576), (4, 5281932), (6, 3521288), (8, 2640966), (12, 1760644), (16, 1320483), (24, 880322), (48, 440161), (179, 118032), (358, 59016), (537, 39344), (716, 29508), (1074, 19672), (1432, 14754), (2148, 9836), (2459, 8592), (2864, 7377), (4296, 4918)]