21680352

素因数分解:

$2^5\times 3^3\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1133

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44363808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 92, 96, 108, 138, 144, 184, 207, 216, 276, 288, 368, 414, 432, 552, 621, 736, 828, 864, 1091, 1104, 1242, 1656, 2182, 2208, 2484, 3273, 3312, 4364, 4968, 6546, 6624, 8728, 9819, 9936, 13092, 17456, 19638, 19872, 25093, 26184, 29457, 34912, 39276, 50186, 52368, 58914, 75279, 78552, 100372, 104736, 117828, 150558, 157104, 200744, 225837, 235656, 301116, 314208, 401488, 451674, 471312, 602232, 677511, 802976, 903348, 942624, 1204464, 1355022, 1806696, 2408928, 2710044, 3613392, 5420088, 7226784, 10840176, 21680352]

約数ペア:

[(1, 21680352), (2, 10840176), (3, 7226784), (4, 5420088), (6, 3613392), (8, 2710044), (9, 2408928), (12, 1806696), (16, 1355022), (18, 1204464), (23, 942624), (24, 903348), (27, 802976), (32, 677511), (36, 602232), (46, 471312), (48, 451674), (54, 401488), (69, 314208), (72, 301116), (92, 235656), (96, 225837), (108, 200744), (138, 157104), (144, 150558), (184, 117828), (207, 104736), (216, 100372), (276, 78552), (288, 75279), (368, 58914), (414, 52368), (432, 50186), (552, 39276), (621, 34912), (736, 29457), (828, 26184), (864, 25093), (1091, 19872), (1104, 19638), (1242, 17456), (1656, 13092), (2182, 9936), (2208, 9819), (2484, 8728), (3273, 6624), (3312, 6546), (4364, 4968)]