21226404

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 53258688

約数和(自身を除く): 32032284

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 67, 68, 102, 134, 201, 204, 268, 402, 804, 1139, 1553, 2278, 3106, 3417, 4556, 4659, 6212, 6834, 9318, 13668, 18636, 26401, 52802, 79203, 104051, 105604, 158406, 208102, 312153, 316812, 416204, 624306, 1248612, 1768867, 3537734, 5306601, 7075468, 10613202, 21226404]

約数ペア:

[(1, 21226404), (2, 10613202), (3, 7075468), (4, 5306601), (6, 3537734), (12, 1768867), (17, 1248612), (34, 624306), (51, 416204), (67, 316812), (68, 312153), (102, 208102), (134, 158406), (201, 105604), (204, 104051), (268, 79203), (402, 52802), (804, 26401), (1139, 18636), (1553, 13668), (2278, 9318), (3106, 6834), (3417, 6212), (4556, 4659)]