21340458

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2713}}^1$

素因数の和:2763

約数の個数: 48

約数和(自身を含む): 50806080

約数和(自身を除く): 29465622

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2622, 2713, 3933, 5426, 7866, 8139, 16278, 24417, 48834, 51547, 62399, 103094, 124798, 154641, 187197, 309282, 374394, 463923, 561591, 927846, 1123182, 1185581, 2371162, 3556743, 7113486, 10670229, 21340458]

約数ペア:

[(1, 21340458), (2, 10670229), (3, 7113486), (6, 3556743), (9, 2371162), (18, 1185581), (19, 1123182), (23, 927846), (38, 561591), (46, 463923), (57, 374394), (69, 309282), (114, 187197), (138, 154641), (171, 124798), (207, 103094), (342, 62399), (414, 51547), (437, 48834), (874, 24417), (1311, 16278), (2622, 8139), (2713, 7866), (3933, 5426)]