21880451655

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1\times {\mathrm{20347}}^1$

素因数の和:21420

約数の個数: 48

約数和(自身を含む): 39615114240

約数和(自身を除く): 17734662585

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1039, 3117, 5195, 9351, 15585, 20347, 23897, 46755, 61041, 71691, 101735, 119485, 183123, 215073, 305205, 358455, 467981, 915615, 1075365, 1403943, 2339905, 4211829, 7019715, 21059145, 21140533, 63421599, 105702665, 190264797, 317107995, 486232259, 951323985, 1458696777, 2431161295, 4376090331, 7293483885, 21880451655]

約数ペア:

[(1, 21880451655), (3, 7293483885), (5, 4376090331), (9, 2431161295), (15, 1458696777), (23, 951323985), (45, 486232259), (69, 317107995), (115, 190264797), (207, 105702665), (345, 63421599), (1035, 21140533), (1039, 21059145), (3117, 7019715), (5195, 4211829), (9351, 2339905), (15585, 1403943), (20347, 1075365), (23897, 915615), (46755, 467981), (61041, 358455), (71691, 305205), (101735, 215073), (119485, 183123)]