21529170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18401}}^1$

素因数の和:18427

約数の個数: 48

約数和(自身を含む): 60284952

約数和(自身を除く): 38755782

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18401, 36802, 55203, 92005, 110406, 165609, 184010, 239213, 276015, 331218, 478426, 552030, 717639, 828045, 1196065, 1435278, 1656090, 2152917, 2392130, 3588195, 4305834, 7176390, 10764585, 21529170]

約数ペア:

[(1, 21529170), (2, 10764585), (3, 7176390), (5, 4305834), (6, 3588195), (9, 2392130), (10, 2152917), (13, 1656090), (15, 1435278), (18, 1196065), (26, 828045), (30, 717639), (39, 552030), (45, 478426), (65, 331218), (78, 276015), (90, 239213), (117, 184010), (130, 165609), (195, 110406), (234, 92005), (390, 55203), (585, 36802), (1170, 18401)]