21260938816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{22279}}^1$

素因数の和:22372

約数の個数: 112

約数和(自身を含む): 48170429440

約数和(自身を除く): 26909490624

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 37, 52, 62, 64, 74, 104, 124, 148, 208, 248, 296, 403, 416, 481, 496, 592, 806, 832, 962, 992, 1147, 1184, 1612, 1924, 1984, 2294, 2368, 3224, 3848, 4588, 6448, 7696, 9176, 12896, 14911, 15392, 18352, 22279, 25792, 29822, 30784, 36704, 44558, 59644, 73408, 89116, 119288, 178232, 238576, 289627, 356464, 477152, 579254, 690649, 712928, 824323, 954304, 1158508, 1381298, 1425856, 1648646, 2317016, 2762596, 3297292, 4634032, 5525192, 6594584, 8978437, 9268064, 10716199, 11050384, 13189168, 17956874, 18536128, 21432398, 22100768, 25554013, 26378336, 35913748, 42864796, 44201536, 51108026, 52756672, 71827496, 85729592, 102216052, 143654992, 171459184, 204432104, 287309984, 332202169, 342918368, 408864208, 574619968, 664404338, 685836736, 817728416, 1328808676, 1635456832, 2657617352, 5315234704, 10630469408, 21260938816]

約数ペア:

[(1, 21260938816), (2, 10630469408), (4, 5315234704), (8, 2657617352), (13, 1635456832), (16, 1328808676), (26, 817728416), (31, 685836736), (32, 664404338), (37, 574619968), (52, 408864208), (62, 342918368), (64, 332202169), (74, 287309984), (104, 204432104), (124, 171459184), (148, 143654992), (208, 102216052), (248, 85729592), (296, 71827496), (403, 52756672), (416, 51108026), (481, 44201536), (496, 42864796), (592, 35913748), (806, 26378336), (832, 25554013), (962, 22100768), (992, 21432398), (1147, 18536128), (1184, 17956874), (1612, 13189168), (1924, 11050384), (1984, 10716199), (2294, 9268064), (2368, 8978437), (3224, 6594584), (3848, 5525192), (4588, 4634032), (6448, 3297292), (7696, 2762596), (9176, 2317016), (12896, 1648646), (14911, 1425856), (15392, 1381298), (18352, 1158508), (22279, 954304), (25792, 824323), (29822, 712928), (30784, 690649), (36704, 579254), (44558, 477152), (59644, 356464), (73408, 289627), (89116, 238576), (119288, 178232)]