21069698

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 36587376

約数和(自身を除く): 15517678

約数列:

[1, 2, 13, 17, 26, 34, 73, 146, 221, 442, 653, 949, 1241, 1306, 1898, 2482, 8489, 11101, 16133, 16978, 22202, 32266, 47669, 95338, 144313, 288626, 619697, 810373, 1239394, 1620746, 10534849, 21069698]

約数ペア:

[(1, 21069698), (2, 10534849), (13, 1620746), (17, 1239394), (26, 810373), (34, 619697), (73, 288626), (146, 144313), (221, 95338), (442, 47669), (653, 32266), (949, 22202), (1241, 16978), (1306, 16133), (1898, 11101), (2482, 8489)]