21110466

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 46379520

約数和(自身を除く): 25269054

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 169, 191, 218, 327, 338, 382, 507, 573, 654, 1014, 1146, 1417, 2483, 2834, 4251, 4966, 7449, 8502, 14898, 18421, 20819, 32279, 36842, 41638, 55263, 62457, 64558, 96837, 110526, 124914, 193674, 270647, 541294, 811941, 1623882, 3518411, 7036822, 10555233, 21110466]

約数ペア:

[(1, 21110466), (2, 10555233), (3, 7036822), (6, 3518411), (13, 1623882), (26, 811941), (39, 541294), (78, 270647), (109, 193674), (169, 124914), (191, 110526), (218, 96837), (327, 64558), (338, 62457), (382, 55263), (507, 41638), (573, 36842), (654, 32279), (1014, 20819), (1146, 18421), (1417, 14898), (2483, 8502), (2834, 7449), (4251, 4966)]