21750915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 36933120

約数和(自身を除く): 15182205

約数列:

[1, 3, 5, 15, 19, 57, 95, 167, 285, 457, 501, 835, 1371, 2285, 2505, 3173, 6855, 8683, 9519, 15865, 26049, 43415, 47595, 76319, 130245, 228957, 381595, 1144785, 1450061, 4350183, 7250305, 21750915]

約数ペア:

[(1, 21750915), (3, 7250305), (5, 4350183), (15, 1450061), (19, 1144785), (57, 381595), (95, 228957), (167, 130245), (285, 76319), (457, 47595), (501, 43415), (835, 26049), (1371, 15865), (2285, 9519), (2505, 8683), (3173, 6855)]