21479652

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 59055360

約数和(自身を除く): 37575708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1013, 1116, 1178, 1767, 2026, 2356, 3039, 3534, 4052, 5301, 6078, 7068, 9117, 10602, 12156, 18234, 19247, 21204, 31403, 36468, 38494, 57741, 62806, 76988, 94209, 115482, 125612, 173223, 188418, 230964, 282627, 346446, 376836, 565254, 596657, 692892, 1130508, 1193314, 1789971, 2386628, 3579942, 5369913, 7159884, 10739826, 21479652]

約数ペア:

[(1, 21479652), (2, 10739826), (3, 7159884), (4, 5369913), (6, 3579942), (9, 2386628), (12, 1789971), (18, 1193314), (19, 1130508), (31, 692892), (36, 596657), (38, 565254), (57, 376836), (62, 346446), (76, 282627), (93, 230964), (114, 188418), (124, 173223), (171, 125612), (186, 115482), (228, 94209), (279, 76988), (342, 62806), (372, 57741), (558, 38494), (589, 36468), (684, 31403), (1013, 21204), (1116, 19247), (1178, 18234), (1767, 12156), (2026, 10602), (2356, 9117), (3039, 7068), (3534, 6078), (4052, 5301)]