21541872

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{3709}}^1$

素因数の和:3742

約数の個数: 60

約数和(自身を含む): 61185320

約数和(自身を除く): 39643448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 484, 528, 726, 968, 1452, 1936, 2904, 3709, 5808, 7418, 11127, 14836, 22254, 29672, 40799, 44508, 59344, 81598, 89016, 122397, 163196, 178032, 244794, 326392, 448789, 489588, 652784, 897578, 979176, 1346367, 1795156, 1958352, 2692734, 3590312, 5385468, 7180624, 10770936, 21541872]

約数ペア:

[(1, 21541872), (2, 10770936), (3, 7180624), (4, 5385468), (6, 3590312), (8, 2692734), (11, 1958352), (12, 1795156), (16, 1346367), (22, 979176), (24, 897578), (33, 652784), (44, 489588), (48, 448789), (66, 326392), (88, 244794), (121, 178032), (132, 163196), (176, 122397), (242, 89016), (264, 81598), (363, 59344), (484, 44508), (528, 40799), (726, 29672), (968, 22254), (1452, 14836), (1936, 11127), (2904, 7418), (3709, 5808)]