21043896

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 34770504

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 67, 69, 92, 134, 138, 184, 201, 268, 276, 402, 536, 552, 569, 804, 1138, 1541, 1608, 1707, 2276, 3082, 3414, 4552, 4623, 6164, 6828, 9246, 12328, 13087, 13656, 18492, 26174, 36984, 38123, 39261, 52348, 76246, 78522, 104696, 114369, 152492, 157044, 228738, 304984, 314088, 457476, 876829, 914952, 1753658, 2630487, 3507316, 5260974, 7014632, 10521948, 21043896]

約数ペア:

[(1, 21043896), (2, 10521948), (3, 7014632), (4, 5260974), (6, 3507316), (8, 2630487), (12, 1753658), (23, 914952), (24, 876829), (46, 457476), (67, 314088), (69, 304984), (92, 228738), (134, 157044), (138, 152492), (184, 114369), (201, 104696), (268, 78522), (276, 76246), (402, 52348), (536, 39261), (552, 38123), (569, 36984), (804, 26174), (1138, 18492), (1541, 13656), (1608, 13087), (1707, 12328), (2276, 9246), (3082, 6828), (3414, 6164), (4552, 4623)]