21729360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2500

約数の個数: 80

約数和(自身を含む): 69209856

約数和(自身を除く): 47480496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2447, 2960, 4440, 4894, 7341, 8880, 9788, 12235, 14682, 19576, 24470, 29364, 36705, 39152, 48940, 58728, 73410, 90539, 97880, 117456, 146820, 181078, 195760, 271617, 293640, 362156, 452695, 543234, 587280, 724312, 905390, 1086468, 1358085, 1448624, 1810780, 2172936, 2716170, 3621560, 4345872, 5432340, 7243120, 10864680, 21729360]

約数ペア:

[(1, 21729360), (2, 10864680), (3, 7243120), (4, 5432340), (5, 4345872), (6, 3621560), (8, 2716170), (10, 2172936), (12, 1810780), (15, 1448624), (16, 1358085), (20, 1086468), (24, 905390), (30, 724312), (37, 587280), (40, 543234), (48, 452695), (60, 362156), (74, 293640), (80, 271617), (111, 195760), (120, 181078), (148, 146820), (185, 117456), (222, 97880), (240, 90539), (296, 73410), (370, 58728), (444, 48940), (555, 39152), (592, 36705), (740, 29364), (888, 24470), (1110, 19576), (1480, 14682), (1776, 12235), (2220, 9788), (2447, 8880), (2960, 7341), (4440, 4894)]