21574560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6421}}^1$

素因数の和:6446

約数の個数: 96

約数和(自身を含む): 77680512

約数和(自身を除く): 56105952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6421, 12842, 19263, 25684, 32105, 38526, 44947, 51368, 64210, 77052, 89894, 96315, 102736, 128420, 134841, 154104, 179788, 192630, 205472, 224735, 256840, 269682, 308208, 359576, 385260, 449470, 513680, 539364, 616416, 674205, 719152, 770520, 898940, 1027360, 1078728, 1348410, 1438304, 1541040, 1797880, 2157456, 2696820, 3082080, 3595760, 4314912, 5393640, 7191520, 10787280, 21574560]

約数ペア:

[(1, 21574560), (2, 10787280), (3, 7191520), (4, 5393640), (5, 4314912), (6, 3595760), (7, 3082080), (8, 2696820), (10, 2157456), (12, 1797880), (14, 1541040), (15, 1438304), (16, 1348410), (20, 1078728), (21, 1027360), (24, 898940), (28, 770520), (30, 719152), (32, 674205), (35, 616416), (40, 539364), (42, 513680), (48, 449470), (56, 385260), (60, 359576), (70, 308208), (80, 269682), (84, 256840), (96, 224735), (105, 205472), (112, 192630), (120, 179788), (140, 154104), (160, 134841), (168, 128420), (210, 102736), (224, 96315), (240, 89894), (280, 77052), (336, 64210), (420, 51368), (480, 44947), (560, 38526), (672, 32105), (840, 25684), (1120, 19263), (1680, 12842), (3360, 6421)]