21901171968

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{731209}}^1$

素因数の和:731244

約数の個数: 108

約数和(自身を含む): 68003992420

約数和(自身を除く): 46102820452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 3328, 3744, 4992, 7488, 9984, 14976, 29952, 731209, 1462418, 2193627, 2924836, 4387254, 5849672, 6580881, 8774508, 9505717, 11699344, 13161762, 17549016, 19011434, 23398688, 26323524, 28517151, 35098032, 38022868, 46797376, 52647048, 57034302, 70196064, 76045736, 85551453, 93594752, 105294096, 114068604, 140392128, 152091472, 171102906, 187189504, 210588192, 228137208, 280784256, 304182944, 342205812, 421176384, 456274416, 561568512, 608365888, 684411624, 842352768, 912548832, 1216731776, 1368823248, 1684705536, 1825097664, 2433463552, 2737646496, 3650195328, 5475292992, 7300390656, 10950585984, 21901171968]

約数ペア:

[(1, 21901171968), (2, 10950585984), (3, 7300390656), (4, 5475292992), (6, 3650195328), (8, 2737646496), (9, 2433463552), (12, 1825097664), (13, 1684705536), (16, 1368823248), (18, 1216731776), (24, 912548832), (26, 842352768), (32, 684411624), (36, 608365888), (39, 561568512), (48, 456274416), (52, 421176384), (64, 342205812), (72, 304182944), (78, 280784256), (96, 228137208), (104, 210588192), (117, 187189504), (128, 171102906), (144, 152091472), (156, 140392128), (192, 114068604), (208, 105294096), (234, 93594752), (256, 85551453), (288, 76045736), (312, 70196064), (384, 57034302), (416, 52647048), (468, 46797376), (576, 38022868), (624, 35098032), (768, 28517151), (832, 26323524), (936, 23398688), (1152, 19011434), (1248, 17549016), (1664, 13161762), (1872, 11699344), (2304, 9505717), (2496, 8774508), (3328, 6580881), (3744, 5849672), (4992, 4387254), (7488, 2924836), (9984, 2193627), (14976, 1462418), (29952, 731209)]