21670065

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3733}}^1$

素因数の和:3790

約数の個数: 32

約数和(自身を含む): 39431040

約数和(自身を除く): 17760975

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3733, 5805, 11199, 18665, 33597, 55995, 100791, 160519, 167985, 481557, 503955, 802595, 1444671, 2407785, 4334013, 7223355, 21670065]

約数ペア:

[(1, 21670065), (3, 7223355), (5, 4334013), (9, 2407785), (15, 1444671), (27, 802595), (43, 503955), (45, 481557), (129, 167985), (135, 160519), (215, 100791), (387, 55995), (645, 33597), (1161, 18665), (1935, 11199), (3733, 5805)]