21512678760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19919147}}^1$

素因数の和:19919167

約数の個数: 64

約数和(自身を含む): 71708932800

約数和(自身を除く): 50196254040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19919147, 39838294, 59757441, 79676588, 99595735, 119514882, 159353176, 179272323, 199191470, 239029764, 298787205, 358544646, 398382940, 478059528, 537816969, 597574410, 717089292, 796765880, 896361615, 1075633938, 1195148820, 1434178584, 1792723230, 2151267876, 2390297640, 2689084845, 3585446460, 4302535752, 5378169690, 7170892920, 10756339380, 21512678760]

約数ペア:

[(1, 21512678760), (2, 10756339380), (3, 7170892920), (4, 5378169690), (5, 4302535752), (6, 3585446460), (8, 2689084845), (9, 2390297640), (10, 2151267876), (12, 1792723230), (15, 1434178584), (18, 1195148820), (20, 1075633938), (24, 896361615), (27, 796765880), (30, 717089292), (36, 597574410), (40, 537816969), (45, 478059528), (54, 398382940), (60, 358544646), (72, 298787205), (90, 239029764), (108, 199191470), (120, 179272323), (135, 159353176), (180, 119514882), (216, 99595735), (270, 79676588), (360, 59757441), (540, 39838294), (1080, 19919147)]