21148620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8597}}^1$

素因数の和:8650

約数の個数: 48

約数和(自身を含む): 60667488

約数和(自身を除く): 39518868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8597, 17194, 25791, 34388, 42985, 51582, 85970, 103164, 128955, 171940, 257910, 352477, 515820, 704954, 1057431, 1409908, 1762385, 2114862, 3524770, 4229724, 5287155, 7049540, 10574310, 21148620]

約数ペア:

[(1, 21148620), (2, 10574310), (3, 7049540), (4, 5287155), (5, 4229724), (6, 3524770), (10, 2114862), (12, 1762385), (15, 1409908), (20, 1057431), (30, 704954), (41, 515820), (60, 352477), (82, 257910), (123, 171940), (164, 128955), (205, 103164), (246, 85970), (410, 51582), (492, 42985), (615, 34388), (820, 25791), (1230, 17194), (2460, 8597)]