21632420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 29848156

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 37, 41, 46, 62, 74, 82, 92, 115, 124, 148, 155, 164, 185, 205, 230, 310, 370, 410, 460, 620, 713, 740, 820, 851, 943, 1147, 1271, 1426, 1517, 1702, 1886, 2294, 2542, 2852, 3034, 3404, 3565, 3772, 4255, 4588, 4715, 5084, 5735, 6068, 6355, 7130, 7585, 8510, 9430, 11470, 12710, 14260, 15170, 17020, 18860, 22940, 25420, 26381, 29233, 30340, 34891, 47027, 52762, 58466, 69782, 94054, 105524, 116932, 131905, 139564, 146165, 174455, 188108, 235135, 263810, 292330, 348910, 470270, 527620, 584660, 697820, 940540, 1081621, 2163242, 4326484, 5408105, 10816210, 21632420]

約数ペア:

[(1, 21632420), (2, 10816210), (4, 5408105), (5, 4326484), (10, 2163242), (20, 1081621), (23, 940540), (31, 697820), (37, 584660), (41, 527620), (46, 470270), (62, 348910), (74, 292330), (82, 263810), (92, 235135), (115, 188108), (124, 174455), (148, 146165), (155, 139564), (164, 131905), (185, 116932), (205, 105524), (230, 94054), (310, 69782), (370, 58466), (410, 52762), (460, 47027), (620, 34891), (713, 30340), (740, 29233), (820, 26381), (851, 25420), (943, 22940), (1147, 18860), (1271, 17020), (1426, 15170), (1517, 14260), (1702, 12710), (1886, 11470), (2294, 9430), (2542, 8510), (2852, 7585), (3034, 7130), (3404, 6355), (3565, 6068), (3772, 5735), (4255, 5084), (4588, 4715)]