21609948425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1\times {\mathrm{2621}}^1$

素因数の和:3770

約数の個数: 48

約数和(自身を含む): 30151070208

約数和(自身を除く): 8541121783

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1103, 1495, 2621, 5515, 7475, 13105, 14339, 25369, 27575, 34073, 60283, 65525, 71695, 126845, 170365, 301415, 329797, 358475, 634225, 783679, 851825, 1507075, 1648985, 2890963, 3918395, 8244925, 14454815, 19591975, 37582519, 66492149, 72274075, 187912595, 332460745, 864397937, 939562975, 1662303725, 4321989685, 21609948425]

約数ペア:

[(1, 21609948425), (5, 4321989685), (13, 1662303725), (23, 939562975), (25, 864397937), (65, 332460745), (115, 187912595), (299, 72274075), (325, 66492149), (575, 37582519), (1103, 19591975), (1495, 14454815), (2621, 8244925), (5515, 3918395), (7475, 2890963), (13105, 1648985), (14339, 1507075), (25369, 851825), (27575, 783679), (34073, 634225), (60283, 358475), (65525, 329797), (71695, 301415), (126845, 170365)]