21530964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19717}}^1$

素因数の和:19744

約数の個数: 48

約数和(自身を含む): 61835648

約数和(自身を除く): 40304684

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19717, 39434, 59151, 78868, 118302, 138019, 236604, 256321, 276038, 414057, 512642, 552076, 768963, 828114, 1025284, 1537926, 1656228, 1794247, 3075852, 3588494, 5382741, 7176988, 10765482, 21530964]

約数ペア:

[(1, 21530964), (2, 10765482), (3, 7176988), (4, 5382741), (6, 3588494), (7, 3075852), (12, 1794247), (13, 1656228), (14, 1537926), (21, 1025284), (26, 828114), (28, 768963), (39, 552076), (42, 512642), (52, 414057), (78, 276038), (84, 256321), (91, 236604), (156, 138019), (182, 118302), (273, 78868), (364, 59151), (546, 39434), (1092, 19717)]