21601984

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 56

約数和(自身を含む): 45171360

約数和(自身を除く): 23569376

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 103, 113, 116, 206, 226, 232, 412, 452, 464, 824, 904, 928, 1648, 1808, 1856, 2987, 3277, 3296, 3616, 5974, 6554, 6592, 7232, 11639, 11948, 13108, 23278, 23896, 26216, 46556, 47792, 52432, 93112, 95584, 104864, 186224, 191168, 209728, 337531, 372448, 675062, 744896, 1350124, 2700248, 5400496, 10800992, 21601984]

約数ペア:

[(1, 21601984), (2, 10800992), (4, 5400496), (8, 2700248), (16, 1350124), (29, 744896), (32, 675062), (58, 372448), (64, 337531), (103, 209728), (113, 191168), (116, 186224), (206, 104864), (226, 95584), (232, 93112), (412, 52432), (452, 47792), (464, 46556), (824, 26216), (904, 23896), (928, 23278), (1648, 13108), (1808, 11948), (1856, 11639), (2987, 7232), (3277, 6592), (3296, 6554), (3616, 5974)]