21975984

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{1511}}^1$

素因数の和:1626

約数の個数: 60

約数和(自身を含む): 62152272

約数和(自身を除く): 40176288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 303, 404, 606, 808, 909, 1212, 1511, 1616, 1818, 2424, 3022, 3636, 4533, 4848, 6044, 7272, 9066, 12088, 13599, 14544, 18132, 24176, 27198, 36264, 54396, 72528, 108792, 152611, 217584, 305222, 457833, 610444, 915666, 1220888, 1373499, 1831332, 2441776, 2746998, 3662664, 5493996, 7325328, 10987992, 21975984]

約数ペア:

[(1, 21975984), (2, 10987992), (3, 7325328), (4, 5493996), (6, 3662664), (8, 2746998), (9, 2441776), (12, 1831332), (16, 1373499), (18, 1220888), (24, 915666), (36, 610444), (48, 457833), (72, 305222), (101, 217584), (144, 152611), (202, 108792), (303, 72528), (404, 54396), (606, 36264), (808, 27198), (909, 24176), (1212, 18132), (1511, 14544), (1616, 13599), (1818, 12088), (2424, 9066), (3022, 7272), (3636, 6044), (4533, 4848)]