21036240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9739}}^1$

素因数の和:9761

約数の個数: 80

約数和(自身を含む): 72465600

約数和(自身を除く): 51429360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9739, 19478, 29217, 38956, 48695, 58434, 77912, 87651, 97390, 116868, 146085, 155824, 175302, 194780, 233736, 262953, 292170, 350604, 389560, 438255, 467472, 525906, 584340, 701208, 779120, 876510, 1051812, 1168680, 1314765, 1402416, 1753020, 2103624, 2337360, 2629530, 3506040, 4207248, 5259060, 7012080, 10518120, 21036240]

約数ペア:

[(1, 21036240), (2, 10518120), (3, 7012080), (4, 5259060), (5, 4207248), (6, 3506040), (8, 2629530), (9, 2337360), (10, 2103624), (12, 1753020), (15, 1402416), (16, 1314765), (18, 1168680), (20, 1051812), (24, 876510), (27, 779120), (30, 701208), (36, 584340), (40, 525906), (45, 467472), (48, 438255), (54, 389560), (60, 350604), (72, 292170), (80, 262953), (90, 233736), (108, 194780), (120, 175302), (135, 155824), (144, 146085), (180, 116868), (216, 97390), (240, 87651), (270, 77912), (360, 58434), (432, 48695), (540, 38956), (720, 29217), (1080, 19478), (2160, 9739)]