21193692

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1319}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 32620068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 206, 309, 412, 618, 1236, 1319, 1339, 2638, 2678, 3957, 4017, 5276, 5356, 7914, 8034, 15828, 16068, 17147, 34294, 51441, 68588, 102882, 135857, 205764, 271714, 407571, 543428, 815142, 1630284, 1766141, 3532282, 5298423, 7064564, 10596846, 21193692]

約数ペア:

[(1, 21193692), (2, 10596846), (3, 7064564), (4, 5298423), (6, 3532282), (12, 1766141), (13, 1630284), (26, 815142), (39, 543428), (52, 407571), (78, 271714), (103, 205764), (156, 135857), (206, 102882), (309, 68588), (412, 51441), (618, 34294), (1236, 17147), (1319, 16068), (1339, 15828), (2638, 8034), (2678, 7914), (3957, 5356), (4017, 5276)]