21461040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:787

約数の個数: 120

約数和(自身を含む): 73932768

約数和(自身を除く): 52471728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 727, 738, 820, 984, 1230, 1454, 1476, 1640, 1845, 1968, 2181, 2460, 2908, 2952, 3280, 3635, 3690, 4362, 4920, 5816, 5904, 6543, 7270, 7380, 8724, 9840, 10905, 11632, 13086, 14540, 14760, 17448, 21810, 26172, 29080, 29520, 29807, 32715, 34896, 43620, 52344, 58160, 59614, 65430, 87240, 89421, 104688, 119228, 130860, 149035, 174480, 178842, 238456, 261720, 268263, 298070, 357684, 447105, 476912, 523440, 536526, 596140, 715368, 894210, 1073052, 1192280, 1341315, 1430736, 1788420, 2146104, 2384560, 2682630, 3576840, 4292208, 5365260, 7153680, 10730520, 21461040]

約数ペア:

[(1, 21461040), (2, 10730520), (3, 7153680), (4, 5365260), (5, 4292208), (6, 3576840), (8, 2682630), (9, 2384560), (10, 2146104), (12, 1788420), (15, 1430736), (16, 1341315), (18, 1192280), (20, 1073052), (24, 894210), (30, 715368), (36, 596140), (40, 536526), (41, 523440), (45, 476912), (48, 447105), (60, 357684), (72, 298070), (80, 268263), (82, 261720), (90, 238456), (120, 178842), (123, 174480), (144, 149035), (164, 130860), (180, 119228), (205, 104688), (240, 89421), (246, 87240), (328, 65430), (360, 59614), (369, 58160), (410, 52344), (492, 43620), (615, 34896), (656, 32715), (720, 29807), (727, 29520), (738, 29080), (820, 26172), (984, 21810), (1230, 17448), (1454, 14760), (1476, 14540), (1640, 13086), (1845, 11632), (1968, 10905), (2181, 9840), (2460, 8724), (2908, 7380), (2952, 7270), (3280, 6543), (3635, 5904), (3690, 5816), (4362, 4920)]