21256657512

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1\times {\mathrm{1297}}^1$

素因数の和:1735

約数の個数: 128

約数和(自身を含む): 56621875200

約数和(自身を除く): 35365217688

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 127, 152, 228, 254, 283, 381, 456, 508, 566, 762, 849, 1016, 1132, 1297, 1524, 1698, 2264, 2413, 2594, 3048, 3396, 3891, 4826, 5188, 5377, 6792, 7239, 7782, 9652, 10376, 10754, 14478, 15564, 16131, 19304, 21508, 24643, 28956, 31128, 32262, 35941, 43016, 49286, 57912, 64524, 71882, 73929, 98572, 107823, 129048, 143764, 147858, 164719, 197144, 215646, 287528, 295716, 329438, 367051, 431292, 494157, 591432, 658876, 682879, 734102, 862584, 988314, 1101153, 1317752, 1365758, 1468204, 1976628, 2048637, 2202306, 2731516, 2936408, 3129661, 3953256, 4097274, 4404612, 5463032, 6259322, 6973969, 8194548, 8809224, 9388983, 12518644, 13947938, 16389096, 18777966, 20921907, 25037288, 27895876, 37555932, 41843814, 46615477, 55791752, 75111864, 83687628, 93230954, 139846431, 167375256, 186461908, 279692862, 372923816, 559385724, 885694063, 1118771448, 1771388126, 2657082189, 3542776252, 5314164378, 7085552504, 10628328756, 21256657512]

約数ペア:

[(1, 21256657512), (2, 10628328756), (3, 7085552504), (4, 5314164378), (6, 3542776252), (8, 2657082189), (12, 1771388126), (19, 1118771448), (24, 885694063), (38, 559385724), (57, 372923816), (76, 279692862), (114, 186461908), (127, 167375256), (152, 139846431), (228, 93230954), (254, 83687628), (283, 75111864), (381, 55791752), (456, 46615477), (508, 41843814), (566, 37555932), (762, 27895876), (849, 25037288), (1016, 20921907), (1132, 18777966), (1297, 16389096), (1524, 13947938), (1698, 12518644), (2264, 9388983), (2413, 8809224), (2594, 8194548), (3048, 6973969), (3396, 6259322), (3891, 5463032), (4826, 4404612), (5188, 4097274), (5377, 3953256), (6792, 3129661), (7239, 2936408), (7782, 2731516), (9652, 2202306), (10376, 2048637), (10754, 1976628), (14478, 1468204), (15564, 1365758), (16131, 1317752), (19304, 1101153), (21508, 988314), (24643, 862584), (28956, 734102), (31128, 682879), (32262, 658876), (35941, 591432), (43016, 494157), (49286, 431292), (57912, 367051), (64524, 329438), (71882, 295716), (73929, 287528), (98572, 215646), (107823, 197144), (129048, 164719), (143764, 147858)]