21641224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7933}}^1$

素因数の和:7981

約数の個数: 32

約数和(自身を含む): 45699840

約数和(自身を除く): 24058616

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7933, 15866, 31732, 63464, 87263, 174526, 245923, 349052, 491846, 698104, 983692, 1967384, 2705153, 5410306, 10820612, 21641224]

約数ペア:

[(1, 21641224), (2, 10820612), (4, 5410306), (8, 2705153), (11, 1967384), (22, 983692), (31, 698104), (44, 491846), (62, 349052), (88, 245923), (124, 174526), (248, 87263), (341, 63464), (682, 31732), (1364, 15866), (2728, 7933)]