21958680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9631}}^1$

素因数の和:9664

約数の個数: 64

約数和(自身を含む): 69350400

約数和(自身を除く): 47391720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9631, 19262, 28893, 38524, 48155, 57786, 77048, 96310, 115572, 144465, 182989, 192620, 231144, 288930, 365978, 385240, 548967, 577860, 731956, 914945, 1097934, 1155720, 1463912, 1829890, 2195868, 2744835, 3659780, 4391736, 5489670, 7319560, 10979340, 21958680]

約数ペア:

[(1, 21958680), (2, 10979340), (3, 7319560), (4, 5489670), (5, 4391736), (6, 3659780), (8, 2744835), (10, 2195868), (12, 1829890), (15, 1463912), (19, 1155720), (20, 1097934), (24, 914945), (30, 731956), (38, 577860), (40, 548967), (57, 385240), (60, 365978), (76, 288930), (95, 231144), (114, 192620), (120, 182989), (152, 144465), (190, 115572), (228, 96310), (285, 77048), (380, 57786), (456, 48155), (570, 38524), (760, 28893), (1140, 19262), (2280, 9631)]