21044850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{457}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 52475808

約数和(自身を除く): 31430958

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 307, 457, 614, 914, 921, 1371, 1535, 1842, 2285, 2742, 3070, 4570, 4605, 6855, 7675, 9210, 11425, 13710, 15350, 22850, 23025, 34275, 46050, 68550, 140299, 280598, 420897, 701495, 841794, 1402990, 2104485, 3507475, 4208970, 7014950, 10522425, 21044850]

約数ペア:

[(1, 21044850), (2, 10522425), (3, 7014950), (5, 4208970), (6, 3507475), (10, 2104485), (15, 1402990), (25, 841794), (30, 701495), (50, 420897), (75, 280598), (150, 140299), (307, 68550), (457, 46050), (614, 34275), (914, 23025), (921, 22850), (1371, 15350), (1535, 13710), (1842, 11425), (2285, 9210), (2742, 7675), (3070, 6855), (4570, 4605)]