21996936

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 65257920

約数和(自身を除く): 43260984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 71, 72, 78, 104, 117, 142, 156, 213, 234, 284, 312, 331, 426, 468, 568, 639, 662, 852, 923, 936, 993, 1278, 1324, 1704, 1846, 1986, 2556, 2648, 2769, 2979, 3692, 3972, 4303, 5112, 5538, 5958, 7384, 7944, 8307, 8606, 11076, 11916, 12909, 16614, 17212, 22152, 23501, 23832, 25818, 33228, 34424, 38727, 47002, 51636, 66456, 70503, 77454, 94004, 103272, 141006, 154908, 188008, 211509, 282012, 305513, 309816, 423018, 564024, 611026, 846036, 916539, 1222052, 1692072, 1833078, 2444104, 2749617, 3666156, 5499234, 7332312, 10998468, 21996936]

約数ペア:

[(1, 21996936), (2, 10998468), (3, 7332312), (4, 5499234), (6, 3666156), (8, 2749617), (9, 2444104), (12, 1833078), (13, 1692072), (18, 1222052), (24, 916539), (26, 846036), (36, 611026), (39, 564024), (52, 423018), (71, 309816), (72, 305513), (78, 282012), (104, 211509), (117, 188008), (142, 154908), (156, 141006), (213, 103272), (234, 94004), (284, 77454), (312, 70503), (331, 66456), (426, 51636), (468, 47002), (568, 38727), (639, 34424), (662, 33228), (852, 25818), (923, 23832), (936, 23501), (993, 22152), (1278, 17212), (1324, 16614), (1704, 12909), (1846, 11916), (1986, 11076), (2556, 8606), (2648, 8307), (2769, 7944), (2979, 7384), (3692, 5958), (3972, 5538), (4303, 5112)]