21083951385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1\times {\mathrm{1451}}^1$

素因数の和:1915

約数の個数: 96

約数和(自身を含む): 42200091648

約数和(自身を除く): 21116140263

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 163, 283, 315, 489, 815, 849, 1141, 1415, 1451, 1467, 1981, 2445, 2547, 3423, 4245, 4353, 5705, 5943, 7255, 7335, 9905, 10157, 10269, 12735, 13059, 17115, 17829, 21765, 29715, 30471, 46129, 50785, 51345, 65295, 89145, 91413, 138387, 152355, 230645, 236513, 322903, 410633, 415161, 457065, 691935, 709539, 968709, 1182565, 1231899, 1614515, 1655591, 2053165, 2075805, 2128617, 2874431, 2906127, 3547695, 3695697, 4843545, 4966773, 6159495, 8277955, 8623293, 10643085, 14372155, 14530635, 14900319, 18478485, 24833865, 25869879, 43116465, 66933179, 74501595, 129349395, 200799537, 334665895, 468532253, 602398611, 1003997685, 1405596759, 2342661265, 3011993055, 4216790277, 7027983795, 21083951385]

約数ペア:

[(1, 21083951385), (3, 7027983795), (5, 4216790277), (7, 3011993055), (9, 2342661265), (15, 1405596759), (21, 1003997685), (35, 602398611), (45, 468532253), (63, 334665895), (105, 200799537), (163, 129349395), (283, 74501595), (315, 66933179), (489, 43116465), (815, 25869879), (849, 24833865), (1141, 18478485), (1415, 14900319), (1451, 14530635), (1467, 14372155), (1981, 10643085), (2445, 8623293), (2547, 8277955), (3423, 6159495), (4245, 4966773), (4353, 4843545), (5705, 3695697), (5943, 3547695), (7255, 2906127), (7335, 2874431), (9905, 2128617), (10157, 2075805), (10269, 2053165), (12735, 1655591), (13059, 1614515), (17115, 1231899), (17829, 1182565), (21765, 968709), (29715, 709539), (30471, 691935), (46129, 457065), (50785, 415161), (51345, 410633), (65295, 322903), (89145, 236513), (91413, 230645), (138387, 152355)]