21314072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 24650728

約数列:

[1, 2, 4, 8, 13, 26, 29, 37, 52, 58, 74, 104, 116, 148, 191, 232, 296, 377, 382, 481, 754, 764, 962, 1073, 1508, 1528, 1924, 2146, 2483, 3016, 3848, 4292, 4966, 5539, 7067, 8584, 9932, 11078, 13949, 14134, 19864, 22156, 27898, 28268, 44312, 55796, 56536, 72007, 91871, 111592, 144014, 183742, 204943, 288028, 367484, 409886, 576056, 734968, 819772, 1639544, 2664259, 5328518, 10657036, 21314072]

約数ペア:

[(1, 21314072), (2, 10657036), (4, 5328518), (8, 2664259), (13, 1639544), (26, 819772), (29, 734968), (37, 576056), (52, 409886), (58, 367484), (74, 288028), (104, 204943), (116, 183742), (148, 144014), (191, 111592), (232, 91871), (296, 72007), (377, 56536), (382, 55796), (481, 44312), (754, 28268), (764, 27898), (962, 22156), (1073, 19864), (1508, 14134), (1528, 13949), (1924, 11078), (2146, 9932), (2483, 8584), (3016, 7067), (3848, 5539), (4292, 4966)]