21215952

素因数分解:

$2^4\times 3^3\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:817

約数の個数: 80

約数和(自身を含む): 61890880

約数和(自身を除く): 40674928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 67, 72, 108, 134, 144, 201, 216, 268, 402, 432, 536, 603, 733, 804, 1072, 1206, 1466, 1608, 1809, 2199, 2412, 2932, 3216, 3618, 4398, 4824, 5864, 6597, 7236, 8796, 9648, 11728, 13194, 14472, 17592, 19791, 26388, 28944, 35184, 39582, 49111, 52776, 79164, 98222, 105552, 147333, 158328, 196444, 294666, 316656, 392888, 441999, 589332, 785776, 883998, 1178664, 1325997, 1767996, 2357328, 2651994, 3535992, 5303988, 7071984, 10607976, 21215952]

約数ペア:

[(1, 21215952), (2, 10607976), (3, 7071984), (4, 5303988), (6, 3535992), (8, 2651994), (9, 2357328), (12, 1767996), (16, 1325997), (18, 1178664), (24, 883998), (27, 785776), (36, 589332), (48, 441999), (54, 392888), (67, 316656), (72, 294666), (108, 196444), (134, 158328), (144, 147333), (201, 105552), (216, 98222), (268, 79164), (402, 52776), (432, 49111), (536, 39582), (603, 35184), (733, 28944), (804, 26388), (1072, 19791), (1206, 17592), (1466, 14472), (1608, 13194), (1809, 11728), (2199, 9648), (2412, 8796), (2932, 7236), (3216, 6597), (3618, 5864), (4398, 4824)]