21549054645

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{10487}}^1$

素因数の和:11023

約数の個数: 64

約数和(自身を含む): 39629537280

約数和(自身を除く): 18080482635

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 491, 837, 1395, 1473, 2455, 4185, 4419, 7365, 10487, 13257, 15221, 22095, 31461, 45663, 52435, 66285, 76105, 94383, 136989, 157305, 228315, 283149, 325097, 410967, 471915, 684945, 975291, 1415745, 1625485, 2054835, 2925873, 4876455, 5149117, 8777619, 14629365, 15447351, 25745585, 43888095, 46342053, 77236755, 139026159, 159622627, 231710265, 478867881, 695130795, 798113135, 1436603643, 2394339405, 4309810929, 7183018215, 21549054645]

約数ペア:

[(1, 21549054645), (3, 7183018215), (5, 4309810929), (9, 2394339405), (15, 1436603643), (27, 798113135), (31, 695130795), (45, 478867881), (93, 231710265), (135, 159622627), (155, 139026159), (279, 77236755), (465, 46342053), (491, 43888095), (837, 25745585), (1395, 15447351), (1473, 14629365), (2455, 8777619), (4185, 5149117), (4419, 4876455), (7365, 2925873), (10487, 2054835), (13257, 1625485), (15221, 1415745), (22095, 975291), (31461, 684945), (45663, 471915), (52435, 410967), (66285, 325097), (76105, 283149), (94383, 228315), (136989, 157305)]