21569808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2659}}^1$

素因数の和:2696

約数の個数: 60

約数和(自身を含む): 60360720

約数和(自身を除く): 38790912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2659, 2704, 4056, 5318, 7977, 8112, 10636, 15954, 21272, 31908, 34567, 42544, 63816, 69134, 103701, 127632, 138268, 207402, 276536, 414804, 449371, 553072, 829608, 898742, 1348113, 1659216, 1797484, 2696226, 3594968, 5392452, 7189936, 10784904, 21569808]

約数ペア:

[(1, 21569808), (2, 10784904), (3, 7189936), (4, 5392452), (6, 3594968), (8, 2696226), (12, 1797484), (13, 1659216), (16, 1348113), (24, 898742), (26, 829608), (39, 553072), (48, 449371), (52, 414804), (78, 276536), (104, 207402), (156, 138268), (169, 127632), (208, 103701), (312, 69134), (338, 63816), (507, 42544), (624, 34567), (676, 31908), (1014, 21272), (1352, 15954), (2028, 10636), (2659, 8112), (2704, 7977), (4056, 5318)]