21206952

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 62680800

約数和(自身を除く): 41473848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 139, 156, 163, 234, 278, 312, 326, 417, 468, 489, 556, 652, 834, 936, 978, 1112, 1251, 1304, 1467, 1668, 1807, 1956, 2119, 2502, 2934, 3336, 3614, 3912, 4238, 5004, 5421, 5868, 6357, 7228, 8476, 10008, 10842, 11736, 12714, 14456, 16263, 16952, 19071, 21684, 22657, 25428, 32526, 38142, 43368, 45314, 50856, 65052, 67971, 76284, 90628, 130104, 135942, 152568, 181256, 203913, 271884, 294541, 407826, 543768, 589082, 815652, 883623, 1178164, 1631304, 1767246, 2356328, 2650869, 3534492, 5301738, 7068984, 10603476, 21206952]

約数ペア:

[(1, 21206952), (2, 10603476), (3, 7068984), (4, 5301738), (6, 3534492), (8, 2650869), (9, 2356328), (12, 1767246), (13, 1631304), (18, 1178164), (24, 883623), (26, 815652), (36, 589082), (39, 543768), (52, 407826), (72, 294541), (78, 271884), (104, 203913), (117, 181256), (139, 152568), (156, 135942), (163, 130104), (234, 90628), (278, 76284), (312, 67971), (326, 65052), (417, 50856), (468, 45314), (489, 43368), (556, 38142), (652, 32526), (834, 25428), (936, 22657), (978, 21684), (1112, 19071), (1251, 16952), (1304, 16263), (1467, 14456), (1668, 12714), (1807, 11736), (1956, 10842), (2119, 10008), (2502, 8476), (2934, 7228), (3336, 6357), (3614, 5868), (3912, 5421), (4238, 5004)]