21569790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 56961792

約数和(自身を除く): 35392002

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 163, 165, 326, 330, 401, 489, 802, 815, 978, 1203, 1630, 1793, 2005, 2406, 2445, 3586, 4010, 4411, 4890, 5379, 6015, 8822, 8965, 10758, 12030, 13233, 17930, 22055, 26466, 26895, 44110, 53790, 65363, 66165, 130726, 132330, 196089, 326815, 392178, 653630, 718993, 980445, 1437986, 1960890, 2156979, 3594965, 4313958, 7189930, 10784895, 21569790]

約数ペア:

[(1, 21569790), (2, 10784895), (3, 7189930), (5, 4313958), (6, 3594965), (10, 2156979), (11, 1960890), (15, 1437986), (22, 980445), (30, 718993), (33, 653630), (55, 392178), (66, 326815), (110, 196089), (163, 132330), (165, 130726), (326, 66165), (330, 65363), (401, 53790), (489, 44110), (802, 26895), (815, 26466), (978, 22055), (1203, 17930), (1630, 13233), (1793, 12030), (2005, 10758), (2406, 8965), (2445, 8822), (3586, 6015), (4010, 5379), (4411, 4890)]