21995856

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1483}}^1$

素因数の和:1600

約数の個数: 60

約数和(自身を含む): 62197408

約数和(自身を除く): 40201552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1483, 1648, 1854, 2472, 2966, 3708, 4449, 4944, 5932, 7416, 8898, 11864, 13347, 14832, 17796, 23728, 26694, 35592, 53388, 71184, 106776, 152749, 213552, 305498, 458247, 610996, 916494, 1221992, 1374741, 1832988, 2443984, 2749482, 3665976, 5498964, 7331952, 10997928, 21995856]

約数ペア:

[(1, 21995856), (2, 10997928), (3, 7331952), (4, 5498964), (6, 3665976), (8, 2749482), (9, 2443984), (12, 1832988), (16, 1374741), (18, 1221992), (24, 916494), (36, 610996), (48, 458247), (72, 305498), (103, 213552), (144, 152749), (206, 106776), (309, 71184), (412, 53388), (618, 35592), (824, 26694), (927, 23728), (1236, 17796), (1483, 14832), (1648, 13347), (1854, 11864), (2472, 8898), (2966, 7416), (3708, 5932), (4449, 4944)]