21497892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7253}}^1$

素因数の和:7292

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 35373468

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7253, 14506, 21759, 29012, 43518, 87036, 94289, 137807, 188578, 275614, 282867, 377156, 413421, 551228, 565734, 826842, 1131468, 1653684, 1791491, 3582982, 5374473, 7165964, 10748946, 21497892]

約数ペア:

[(1, 21497892), (2, 10748946), (3, 7165964), (4, 5374473), (6, 3582982), (12, 1791491), (13, 1653684), (19, 1131468), (26, 826842), (38, 565734), (39, 551228), (52, 413421), (57, 377156), (76, 282867), (78, 275614), (114, 188578), (156, 137807), (228, 94289), (247, 87036), (494, 43518), (741, 29012), (988, 21759), (1482, 14506), (2964, 7253)]