21107376

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6373}}^1$

素因数の和:6410

約数の個数: 60

約数和(自身を含む): 61649328

約数和(自身を除く): 40541952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 6373, 12746, 19119, 25492, 38238, 50984, 57357, 76476, 101968, 114714, 146579, 152952, 229428, 293158, 305904, 439737, 458856, 586316, 879474, 917712, 1172632, 1319211, 1758948, 2345264, 2638422, 3517896, 5276844, 7035792, 10553688, 21107376]

約数ペア:

[(1, 21107376), (2, 10553688), (3, 7035792), (4, 5276844), (6, 3517896), (8, 2638422), (9, 2345264), (12, 1758948), (16, 1319211), (18, 1172632), (23, 917712), (24, 879474), (36, 586316), (46, 458856), (48, 439737), (69, 305904), (72, 293158), (92, 229428), (138, 152952), (144, 146579), (184, 114714), (207, 101968), (276, 76476), (368, 57357), (414, 50984), (552, 38238), (828, 25492), (1104, 19119), (1656, 12746), (3312, 6373)]