21059106

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 25942494

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 59, 62, 93, 101, 114, 118, 177, 186, 202, 303, 354, 589, 606, 1121, 1178, 1767, 1829, 1919, 2242, 3131, 3363, 3534, 3658, 3838, 5487, 5757, 5959, 6262, 6726, 9393, 10974, 11514, 11918, 17877, 18786, 34751, 35754, 59489, 69502, 104253, 113221, 118978, 178467, 184729, 208506, 226442, 339663, 356934, 369458, 554187, 679326, 1108374, 3509851, 7019702, 10529553, 21059106]

約数ペア:

[(1, 21059106), (2, 10529553), (3, 7019702), (6, 3509851), (19, 1108374), (31, 679326), (38, 554187), (57, 369458), (59, 356934), (62, 339663), (93, 226442), (101, 208506), (114, 184729), (118, 178467), (177, 118978), (186, 113221), (202, 104253), (303, 69502), (354, 59489), (589, 35754), (606, 34751), (1121, 18786), (1178, 17877), (1767, 11918), (1829, 11514), (1919, 10974), (2242, 9393), (3131, 6726), (3363, 6262), (3534, 5959), (3658, 5757), (3838, 5487)]