21336180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15461}}^1$

素因数の和:15496

約数の個数: 48

約数和(自身を含む): 62342784

約数和(自身を除く): 41006604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15461, 30922, 46383, 61844, 77305, 92766, 154610, 185532, 231915, 309220, 355603, 463830, 711206, 927660, 1066809, 1422412, 1778015, 2133618, 3556030, 4267236, 5334045, 7112060, 10668090, 21336180]

約数ペア:

[(1, 21336180), (2, 10668090), (3, 7112060), (4, 5334045), (5, 4267236), (6, 3556030), (10, 2133618), (12, 1778015), (15, 1422412), (20, 1066809), (23, 927660), (30, 711206), (46, 463830), (60, 355603), (69, 309220), (92, 231915), (115, 185532), (138, 154610), (230, 92766), (276, 77305), (345, 61844), (460, 46383), (690, 30922), (1380, 15461)]