21205104

素因数分解:

$2^4\times 3^1\times {\mathrm{307}}^1\times {\mathrm{1439}}^1$

素因数の和:1757

約数の個数: 40

約数和(自身を含む): 54996480

約数和(自身を除く): 33791376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 307, 614, 921, 1228, 1439, 1842, 2456, 2878, 3684, 4317, 4912, 5756, 7368, 8634, 11512, 14736, 17268, 23024, 34536, 69072, 441773, 883546, 1325319, 1767092, 2650638, 3534184, 5301276, 7068368, 10602552, 21205104]

約数ペア:

[(1, 21205104), (2, 10602552), (3, 7068368), (4, 5301276), (6, 3534184), (8, 2650638), (12, 1767092), (16, 1325319), (24, 883546), (48, 441773), (307, 69072), (614, 34536), (921, 23024), (1228, 17268), (1439, 14736), (1842, 11512), (2456, 8634), (2878, 7368), (3684, 5756), (4317, 4912)]