21386700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{89}}^2$

素因数の和:201

約数の個数: 108

約数和(自身を含む): 69535480

約数和(自身を除く): 48148780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 89, 90, 100, 108, 135, 150, 178, 180, 225, 267, 270, 300, 356, 445, 450, 534, 540, 675, 801, 890, 900, 1068, 1335, 1350, 1602, 1780, 2225, 2403, 2670, 2700, 3204, 4005, 4450, 4806, 5340, 6675, 7921, 8010, 8900, 9612, 12015, 13350, 15842, 16020, 20025, 23763, 24030, 26700, 31684, 39605, 40050, 47526, 48060, 60075, 71289, 79210, 80100, 95052, 118815, 120150, 142578, 158420, 198025, 213867, 237630, 240300, 285156, 356445, 396050, 427734, 475260, 594075, 712890, 792100, 855468, 1069335, 1188150, 1425780, 1782225, 2138670, 2376300, 3564450, 4277340, 5346675, 7128900, 10693350, 21386700]

約数ペア:

[(1, 21386700), (2, 10693350), (3, 7128900), (4, 5346675), (5, 4277340), (6, 3564450), (9, 2376300), (10, 2138670), (12, 1782225), (15, 1425780), (18, 1188150), (20, 1069335), (25, 855468), (27, 792100), (30, 712890), (36, 594075), (45, 475260), (50, 427734), (54, 396050), (60, 356445), (75, 285156), (89, 240300), (90, 237630), (100, 213867), (108, 198025), (135, 158420), (150, 142578), (178, 120150), (180, 118815), (225, 95052), (267, 80100), (270, 79210), (300, 71289), (356, 60075), (445, 48060), (450, 47526), (534, 40050), (540, 39605), (675, 31684), (801, 26700), (890, 24030), (900, 23763), (1068, 20025), (1335, 16020), (1350, 15842), (1602, 13350), (1780, 12015), (2225, 9612), (2403, 8900), (2670, 8010), (2700, 7921), (3204, 6675), (4005, 5340), (4450, 4806)]