21872324

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 17076796

約数列:

[1, 2, 4, 137, 167, 239, 274, 334, 478, 548, 668, 956, 22879, 32743, 39913, 45758, 65486, 79826, 91516, 130972, 159652, 5468081, 10936162, 21872324]

約数ペア:

[(1, 21872324), (2, 10936162), (4, 5468081), (137, 159652), (167, 130972), (239, 91516), (274, 79826), (334, 65486), (478, 45758), (548, 39913), (668, 32743), (956, 22879)]