21708800

素因数分解:

$2^{14}\times 5^2\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 90

約数和(自身を含む): 54851958

約数和(自身を除く): 33143158

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 128, 160, 200, 212, 256, 265, 320, 400, 424, 512, 530, 640, 800, 848, 1024, 1060, 1280, 1325, 1600, 1696, 2048, 2120, 2560, 2650, 3200, 3392, 4096, 4240, 5120, 5300, 6400, 6784, 8192, 8480, 10240, 10600, 12800, 13568, 16384, 16960, 20480, 21200, 25600, 27136, 33920, 40960, 42400, 51200, 54272, 67840, 81920, 84800, 102400, 108544, 135680, 169600, 204800, 217088, 271360, 339200, 409600, 434176, 542720, 678400, 868352, 1085440, 1356800, 2170880, 2713600, 4341760, 5427200, 10854400, 21708800]

約数ペア:

[(1, 21708800), (2, 10854400), (4, 5427200), (5, 4341760), (8, 2713600), (10, 2170880), (16, 1356800), (20, 1085440), (25, 868352), (32, 678400), (40, 542720), (50, 434176), (53, 409600), (64, 339200), (80, 271360), (100, 217088), (106, 204800), (128, 169600), (160, 135680), (200, 108544), (212, 102400), (256, 84800), (265, 81920), (320, 67840), (400, 54272), (424, 51200), (512, 42400), (530, 40960), (640, 33920), (800, 27136), (848, 25600), (1024, 21200), (1060, 20480), (1280, 16960), (1325, 16384), (1600, 13568), (1696, 12800), (2048, 10600), (2120, 10240), (2560, 8480), (2650, 8192), (3200, 6784), (3392, 6400), (4096, 5300), (4240, 5120)]