21430110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54949}}^1$

素因数の和:54972

約数の個数: 32

約数和(自身を含む): 55389600

約数和(自身を除く): 33959490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54949, 109898, 164847, 274745, 329694, 549490, 714337, 824235, 1428674, 1648470, 2143011, 3571685, 4286022, 7143370, 10715055, 21430110]

約数ペア:

[(1, 21430110), (2, 10715055), (3, 7143370), (5, 4286022), (6, 3571685), (10, 2143011), (13, 1648470), (15, 1428674), (26, 824235), (30, 714337), (39, 549490), (65, 329694), (78, 274745), (130, 164847), (195, 109898), (390, 54949)]