21644376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 58756320

約数和(自身を除く): 37111944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 173, 312, 346, 401, 519, 692, 802, 1038, 1203, 1384, 1604, 2076, 2249, 2406, 3208, 4152, 4498, 4812, 5213, 6747, 8996, 9624, 10426, 13494, 15639, 17992, 20852, 26988, 31278, 41704, 53976, 62556, 69373, 125112, 138746, 208119, 277492, 416238, 554984, 832476, 901849, 1664952, 1803698, 2705547, 3607396, 5411094, 7214792, 10822188, 21644376]

約数ペア:

[(1, 21644376), (2, 10822188), (3, 7214792), (4, 5411094), (6, 3607396), (8, 2705547), (12, 1803698), (13, 1664952), (24, 901849), (26, 832476), (39, 554984), (52, 416238), (78, 277492), (104, 208119), (156, 138746), (173, 125112), (312, 69373), (346, 62556), (401, 53976), (519, 41704), (692, 31278), (802, 26988), (1038, 20852), (1203, 17992), (1384, 15639), (1604, 13494), (2076, 10426), (2249, 9624), (2406, 8996), (3208, 6747), (4152, 5213), (4498, 4812)]