21567205455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1\times {\mathrm{1657}}^1$

素因数の和:2936

約数の個数: 64

約数和(自身を含む): 37222391808

約数和(自身を除く): 15655186353

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1217, 1657, 2139, 3565, 3651, 4971, 6085, 8285, 10695, 18255, 24855, 27991, 37727, 38111, 51367, 83973, 113181, 114333, 139955, 154101, 188635, 190555, 256835, 419865, 565905, 571665, 770505, 867721, 1181441, 2016569, 2603163, 3544323, 4338605, 5907205, 6049707, 10082845, 13015815, 17721615, 30248535, 46381087, 62513639, 139143261, 187540917, 231905435, 312568195, 695716305, 937704585, 1437813697, 4313441091, 7189068485, 21567205455]

約数ペア:

[(1, 21567205455), (3, 7189068485), (5, 4313441091), (15, 1437813697), (23, 937704585), (31, 695716305), (69, 312568195), (93, 231905435), (115, 187540917), (155, 139143261), (345, 62513639), (465, 46381087), (713, 30248535), (1217, 17721615), (1657, 13015815), (2139, 10082845), (3565, 6049707), (3651, 5907205), (4971, 4338605), (6085, 3544323), (8285, 2603163), (10695, 2016569), (18255, 1181441), (24855, 867721), (27991, 770505), (37727, 571665), (38111, 565905), (51367, 419865), (83973, 256835), (113181, 190555), (114333, 188635), (139955, 154101)]