21751674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{907}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 49860096

約数和(自身を除く): 28108422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 571, 907, 1142, 1713, 1814, 2721, 3426, 3997, 5442, 6349, 7994, 11991, 12698, 19047, 23982, 38094, 517897, 1035794, 1553691, 3107382, 3625279, 7250558, 10875837, 21751674]

約数ペア:

[(1, 21751674), (2, 10875837), (3, 7250558), (6, 3625279), (7, 3107382), (14, 1553691), (21, 1035794), (42, 517897), (571, 38094), (907, 23982), (1142, 19047), (1713, 12698), (1814, 11991), (2721, 7994), (3426, 6349), (3997, 5442)]