21224752

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 42966000

約数和(自身を除く): 21741248

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 149, 232, 298, 307, 464, 596, 614, 1192, 1228, 2384, 2456, 4321, 4912, 8642, 8903, 17284, 17806, 34568, 35612, 45743, 69136, 71224, 91486, 142448, 182972, 365944, 731888, 1326547, 2653094, 5306188, 10612376, 21224752]

約数ペア:

[(1, 21224752), (2, 10612376), (4, 5306188), (8, 2653094), (16, 1326547), (29, 731888), (58, 365944), (116, 182972), (149, 142448), (232, 91486), (298, 71224), (307, 69136), (464, 45743), (596, 35612), (614, 34568), (1192, 17806), (1228, 17284), (2384, 8903), (2456, 8642), (4321, 4912)]