21145206

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22400394

約数列:

[1, 2, 3, 6, 47, 94, 141, 167, 282, 334, 449, 501, 898, 1002, 1347, 2694, 7849, 15698, 21103, 23547, 42206, 47094, 63309, 74983, 126618, 149966, 224949, 449898, 3524201, 7048402, 10572603, 21145206]

約数ペア:

[(1, 21145206), (2, 10572603), (3, 7048402), (6, 3524201), (47, 449898), (94, 224949), (141, 149966), (167, 126618), (282, 74983), (334, 63309), (449, 47094), (501, 42206), (898, 23547), (1002, 21103), (1347, 15698), (2694, 7849)]