21157799424

素因数分解:

$2^9\times 3^1\times {\mathrm{907}}^1\times {\mathrm{15187}}^1$

素因数の和:16115

約数の個数: 80

約数和(自身を含む): 56431560768

約数和(自身を除く): 35273761344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 907, 1536, 1814, 2721, 3628, 5442, 7256, 10884, 14512, 15187, 21768, 29024, 30374, 43536, 45561, 58048, 60748, 87072, 91122, 116096, 121496, 174144, 182244, 232192, 242992, 348288, 364488, 464384, 485984, 696576, 728976, 971968, 1393152, 1457952, 1943936, 2915904, 3887872, 5831808, 7775744, 11663616, 13774609, 23327232, 27549218, 41323827, 55098436, 82647654, 110196872, 165295308, 220393744, 330590616, 440787488, 661181232, 881574976, 1322362464, 1763149952, 2644724928, 3526299904, 5289449856, 7052599808, 10578899712, 21157799424]

約数ペア:

[(1, 21157799424), (2, 10578899712), (3, 7052599808), (4, 5289449856), (6, 3526299904), (8, 2644724928), (12, 1763149952), (16, 1322362464), (24, 881574976), (32, 661181232), (48, 440787488), (64, 330590616), (96, 220393744), (128, 165295308), (192, 110196872), (256, 82647654), (384, 55098436), (512, 41323827), (768, 27549218), (907, 23327232), (1536, 13774609), (1814, 11663616), (2721, 7775744), (3628, 5831808), (5442, 3887872), (7256, 2915904), (10884, 1943936), (14512, 1457952), (15187, 1393152), (21768, 971968), (29024, 728976), (30374, 696576), (43536, 485984), (45561, 464384), (58048, 364488), (60748, 348288), (87072, 242992), (91122, 232192), (116096, 182244), (121496, 174144)]