21898042010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{280277}}^1$

素因数の和:280898

約数の個数: 32

約数和(自身を含む): 42519293712

約数和(自身を除く): 20621251702

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 601, 1202, 3005, 6010, 7813, 15626, 39065, 78130, 280277, 560554, 1401385, 2802770, 3643601, 7287202, 18218005, 36436010, 168446477, 336892954, 842232385, 1684464770, 2189804201, 4379608402, 10949021005, 21898042010]

約数ペア:

[(1, 21898042010), (2, 10949021005), (5, 4379608402), (10, 2189804201), (13, 1684464770), (26, 842232385), (65, 336892954), (130, 168446477), (601, 36436010), (1202, 18218005), (3005, 7287202), (6010, 3643601), (7813, 2802770), (15626, 1401385), (39065, 560554), (78130, 280277)]