21942630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37025370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 181, 270, 362, 449, 543, 898, 905, 1086, 1347, 1629, 1810, 2245, 2694, 2715, 3258, 4041, 4490, 4887, 5430, 6735, 8082, 8145, 9774, 12123, 13470, 16290, 20205, 24246, 24435, 40410, 48870, 60615, 81269, 121230, 162538, 243807, 406345, 487614, 731421, 812690, 1219035, 1462842, 2194263, 2438070, 3657105, 4388526, 7314210, 10971315, 21942630]

約数ペア:

[(1, 21942630), (2, 10971315), (3, 7314210), (5, 4388526), (6, 3657105), (9, 2438070), (10, 2194263), (15, 1462842), (18, 1219035), (27, 812690), (30, 731421), (45, 487614), (54, 406345), (90, 243807), (135, 162538), (181, 121230), (270, 81269), (362, 60615), (449, 48870), (543, 40410), (898, 24435), (905, 24246), (1086, 20205), (1347, 16290), (1629, 13470), (1810, 12123), (2245, 9774), (2694, 8145), (2715, 8082), (3258, 6735), (4041, 5430), (4490, 4887)]