21401010

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8807}}^1$

素因数の和:8829

約数の個数: 48

約数和(自身を含む): 57710016

約数和(自身を除く): 36309006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8807, 17614, 26421, 44035, 52842, 79263, 88070, 132105, 158526, 237789, 264210, 396315, 475578, 713367, 792630, 1188945, 1426734, 2140101, 2377890, 3566835, 4280202, 7133670, 10700505, 21401010]

約数ペア:

[(1, 21401010), (2, 10700505), (3, 7133670), (5, 4280202), (6, 3566835), (9, 2377890), (10, 2140101), (15, 1426734), (18, 1188945), (27, 792630), (30, 713367), (45, 475578), (54, 396315), (81, 264210), (90, 237789), (135, 158526), (162, 132105), (243, 88070), (270, 79263), (405, 52842), (486, 44035), (810, 26421), (1215, 17614), (2430, 8807)]