21698880

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3229}}^1$

素因数の和:3256

約数の個数: 112

約数和(自身を含む): 78760320

約数和(自身を除く): 57061440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3229, 3360, 6458, 6720, 9687, 12916, 16145, 19374, 22603, 25832, 32290, 38748, 45206, 48435, 51664, 64580, 67809, 77496, 90412, 96870, 103328, 113015, 129160, 135618, 154992, 180824, 193740, 206656, 226030, 258320, 271236, 309984, 339045, 361648, 387480, 452060, 516640, 542472, 619968, 678090, 723296, 774960, 904120, 1033280, 1084944, 1356180, 1446592, 1549920, 1808240, 2169888, 2712360, 3099840, 3616480, 4339776, 5424720, 7232960, 10849440, 21698880]

約数ペア:

[(1, 21698880), (2, 10849440), (3, 7232960), (4, 5424720), (5, 4339776), (6, 3616480), (7, 3099840), (8, 2712360), (10, 2169888), (12, 1808240), (14, 1549920), (15, 1446592), (16, 1356180), (20, 1084944), (21, 1033280), (24, 904120), (28, 774960), (30, 723296), (32, 678090), (35, 619968), (40, 542472), (42, 516640), (48, 452060), (56, 387480), (60, 361648), (64, 339045), (70, 309984), (80, 271236), (84, 258320), (96, 226030), (105, 206656), (112, 193740), (120, 180824), (140, 154992), (160, 135618), (168, 129160), (192, 113015), (210, 103328), (224, 96870), (240, 90412), (280, 77496), (320, 67809), (336, 64580), (420, 51664), (448, 48435), (480, 45206), (560, 38748), (672, 32290), (840, 25832), (960, 22603), (1120, 19374), (1344, 16145), (1680, 12916), (2240, 9687), (3229, 6720), (3360, 6458)]