21502400

素因数分解:

$2^6\times 5^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 84

約数和(自身を含む): 53858160

約数和(自身を除く): 32355760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 151, 160, 178, 200, 302, 320, 356, 400, 445, 604, 712, 755, 800, 890, 1208, 1424, 1510, 1600, 1780, 2225, 2416, 2848, 3020, 3560, 3775, 4450, 4832, 5696, 6040, 7120, 7550, 8900, 9664, 12080, 13439, 14240, 15100, 17800, 24160, 26878, 28480, 30200, 35600, 48320, 53756, 60400, 67195, 71200, 107512, 120800, 134390, 142400, 215024, 241600, 268780, 335975, 430048, 537560, 671950, 860096, 1075120, 1343900, 2150240, 2687800, 4300480, 5375600, 10751200, 21502400]

約数ペア:

[(1, 21502400), (2, 10751200), (4, 5375600), (5, 4300480), (8, 2687800), (10, 2150240), (16, 1343900), (20, 1075120), (25, 860096), (32, 671950), (40, 537560), (50, 430048), (64, 335975), (80, 268780), (89, 241600), (100, 215024), (151, 142400), (160, 134390), (178, 120800), (200, 107512), (302, 71200), (320, 67195), (356, 60400), (400, 53756), (445, 48320), (604, 35600), (712, 30200), (755, 28480), (800, 26878), (890, 24160), (1208, 17800), (1424, 15100), (1510, 14240), (1600, 13439), (1780, 12080), (2225, 9664), (2416, 8900), (2848, 7550), (3020, 7120), (3560, 6040), (3775, 5696), (4450, 4832)]