21946624

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 51574208

約数和(自身を除く): 29627584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 331, 448, 518, 592, 662, 896, 1036, 1184, 1324, 1792, 2072, 2317, 2368, 2648, 4144, 4634, 4736, 5296, 8288, 9268, 9472, 10592, 12247, 16576, 18536, 21184, 24494, 33152, 37072, 42368, 48988, 66304, 74144, 84736, 85729, 97976, 148288, 171458, 195952, 296576, 342916, 391904, 593152, 685832, 783808, 1371664, 1567616, 2743328, 3135232, 5486656, 10973312, 21946624]

約数ペア:

[(1, 21946624), (2, 10973312), (4, 5486656), (7, 3135232), (8, 2743328), (14, 1567616), (16, 1371664), (28, 783808), (32, 685832), (37, 593152), (56, 391904), (64, 342916), (74, 296576), (112, 195952), (128, 171458), (148, 148288), (224, 97976), (256, 85729), (259, 84736), (296, 74144), (331, 66304), (448, 48988), (518, 42368), (592, 37072), (662, 33152), (896, 24494), (1036, 21184), (1184, 18536), (1324, 16576), (1792, 12247), (2072, 10592), (2317, 9472), (2368, 9268), (2648, 8288), (4144, 5296), (4634, 4736)]