2121560168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1139

約数の個数: 128

約数和(自身を含む): 5096985600

約数和(自身を除く): 2975425432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 79, 91, 104, 148, 158, 182, 259, 296, 316, 364, 481, 518, 553, 632, 728, 962, 997, 1027, 1036, 1106, 1924, 1994, 2054, 2072, 2212, 2923, 3367, 3848, 3988, 4108, 4424, 5846, 6734, 6979, 7189, 7976, 8216, 11692, 12961, 13468, 13958, 14378, 20461, 23384, 25922, 26936, 27916, 28756, 36889, 37999, 40922, 51844, 55832, 57512, 73778, 75998, 78763, 81844, 90727, 103688, 147556, 151996, 157526, 163688, 181454, 258223, 265993, 295112, 303992, 315052, 362908, 479557, 516446, 531986, 551341, 630104, 725816, 959114, 1023919, 1032892, 1063972, 1102682, 1918228, 2047838, 2065784, 2127944, 2205364, 2914231, 3356899, 3836456, 4095676, 4410728, 5828462, 6713798, 7167433, 8191352, 11656924, 13427596, 14334866, 20399617, 23313848, 26855192, 28669732, 37885003, 40799234, 57339464, 75770006, 81598468, 151540012, 163196936, 265195021, 303080024, 530390042, 1060780084, 2121560168]

約数ペア:

[(1, 2121560168), (2, 1060780084), (4, 530390042), (7, 303080024), (8, 265195021), (13, 163196936), (14, 151540012), (26, 81598468), (28, 75770006), (37, 57339464), (52, 40799234), (56, 37885003), (74, 28669732), (79, 26855192), (91, 23313848), (104, 20399617), (148, 14334866), (158, 13427596), (182, 11656924), (259, 8191352), (296, 7167433), (316, 6713798), (364, 5828462), (481, 4410728), (518, 4095676), (553, 3836456), (632, 3356899), (728, 2914231), (962, 2205364), (997, 2127944), (1027, 2065784), (1036, 2047838), (1106, 1918228), (1924, 1102682), (1994, 1063972), (2054, 1032892), (2072, 1023919), (2212, 959114), (2923, 725816), (3367, 630104), (3848, 551341), (3988, 531986), (4108, 516446), (4424, 479557), (5846, 362908), (6734, 315052), (6979, 303992), (7189, 295112), (7976, 265993), (8216, 258223), (11692, 181454), (12961, 163688), (13468, 157526), (13958, 151996), (14378, 147556), (20461, 103688), (23384, 90727), (25922, 81844), (26936, 78763), (27916, 75998), (28756, 73778), (36889, 57512), (37999, 55832), (40922, 51844)]