21234450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2671}}^1$

素因数の和:2739

約数の個数: 48

約数和(自身を含む): 53675136

約数和(自身を除く): 32440686

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2650, 2671, 3975, 5342, 7950, 8013, 13355, 16026, 26710, 40065, 66775, 80130, 133550, 141563, 200325, 283126, 400650, 424689, 707815, 849378, 1415630, 2123445, 3539075, 4246890, 7078150, 10617225, 21234450]

約数ペア:

[(1, 21234450), (2, 10617225), (3, 7078150), (5, 4246890), (6, 3539075), (10, 2123445), (15, 1415630), (25, 849378), (30, 707815), (50, 424689), (53, 400650), (75, 283126), (106, 200325), (150, 141563), (159, 133550), (265, 80130), (318, 66775), (530, 40065), (795, 26710), (1325, 16026), (1590, 13355), (2650, 8013), (2671, 7950), (3975, 5342)]