21070147287

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{859}}^1\times {\mathrm{40277}}^1$

素因数の和:41175

約数の個数: 32

約数和(自身を含む): 33253516800

約数和(自身を除く): 12183369513

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 859, 2577, 6013, 18039, 24911, 40277, 74733, 120831, 174377, 281939, 523131, 845817, 1168033, 3504099, 8176231, 24528693, 34597943, 103793829, 242185601, 726556803, 1003340347, 3010021041, 7023382429, 21070147287]

約数ペア:

[(1, 21070147287), (3, 7023382429), (7, 3010021041), (21, 1003340347), (29, 726556803), (87, 242185601), (203, 103793829), (609, 34597943), (859, 24528693), (2577, 8176231), (6013, 3504099), (18039, 1168033), (24911, 845817), (40277, 523131), (74733, 281939), (120831, 174377)]