21131435535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{9859}}^1$

素因数の和:10160

約数の個数: 64

約数和(自身を含む): 39187584000

約数和(自身を除く): 18056148465

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 149, 411, 447, 685, 745, 959, 1043, 2055, 2235, 2877, 3129, 4795, 5215, 9859, 14385, 15645, 20413, 29577, 49295, 61239, 69013, 102065, 142891, 147885, 207039, 306195, 345065, 428673, 714455, 1035195, 1350683, 1468991, 2143365, 4052049, 4406973, 6753415, 7344955, 9454781, 10282937, 20260245, 22034865, 28364343, 30848811, 47273905, 51414685, 141821715, 154244055, 201251767, 603755301, 1006258835, 1408762369, 3018776505, 4226287107, 7043811845, 21131435535]

約数ペア:

[(1, 21131435535), (3, 7043811845), (5, 4226287107), (7, 3018776505), (15, 1408762369), (21, 1006258835), (35, 603755301), (105, 201251767), (137, 154244055), (149, 141821715), (411, 51414685), (447, 47273905), (685, 30848811), (745, 28364343), (959, 22034865), (1043, 20260245), (2055, 10282937), (2235, 9454781), (2877, 7344955), (3129, 6753415), (4795, 4406973), (5215, 4052049), (9859, 2143365), (14385, 1468991), (15645, 1350683), (20413, 1035195), (29577, 714455), (49295, 428673), (61239, 345065), (69013, 306195), (102065, 207039), (142891, 147885)]