21573708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3373}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 55549536

約数和(自身を除く): 33975828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 3373, 6396, 6746, 10119, 13492, 20238, 40476, 43849, 87698, 131547, 138293, 175396, 263094, 276586, 414879, 526188, 553172, 829758, 1659516, 1797809, 3595618, 5393427, 7191236, 10786854, 21573708]

約数ペア:

[(1, 21573708), (2, 10786854), (3, 7191236), (4, 5393427), (6, 3595618), (12, 1797809), (13, 1659516), (26, 829758), (39, 553172), (41, 526188), (52, 414879), (78, 276586), (82, 263094), (123, 175396), (156, 138293), (164, 131547), (246, 87698), (492, 43849), (533, 40476), (1066, 20238), (1599, 13492), (2132, 10119), (3198, 6746), (3373, 6396)]