21069480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9241}}^1$

素因数の和:9274

約数の個数: 64

約数和(自身を含む): 66542400

約数和(自身を除く): 45472920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9241, 18482, 27723, 36964, 46205, 55446, 73928, 92410, 110892, 138615, 175579, 184820, 221784, 277230, 351158, 369640, 526737, 554460, 702316, 877895, 1053474, 1108920, 1404632, 1755790, 2106948, 2633685, 3511580, 4213896, 5267370, 7023160, 10534740, 21069480]

約数ペア:

[(1, 21069480), (2, 10534740), (3, 7023160), (4, 5267370), (5, 4213896), (6, 3511580), (8, 2633685), (10, 2106948), (12, 1755790), (15, 1404632), (19, 1108920), (20, 1053474), (24, 877895), (30, 702316), (38, 554460), (40, 526737), (57, 369640), (60, 351158), (76, 277230), (95, 221784), (114, 184820), (120, 175579), (152, 138615), (190, 110892), (228, 92410), (285, 73928), (380, 55446), (456, 46205), (570, 36964), (760, 27723), (1140, 18482), (2280, 9241)]