21467520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3727}}^1$

素因数の和:3752

約数の個数: 96

約数和(自身を含む): 74149920

約数和(自身を除く): 52682400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3727, 5760, 7454, 11181, 14908, 18635, 22362, 29816, 33543, 37270, 44724, 55905, 59632, 67086, 74540, 89448, 111810, 119264, 134172, 149080, 167715, 178896, 223620, 238528, 268344, 298160, 335430, 357792, 447240, 477056, 536688, 596320, 670860, 715584, 894480, 1073376, 1192640, 1341720, 1431168, 1788960, 2146752, 2385280, 2683440, 3577920, 4293504, 5366880, 7155840, 10733760, 21467520]

約数ペア:

[(1, 21467520), (2, 10733760), (3, 7155840), (4, 5366880), (5, 4293504), (6, 3577920), (8, 2683440), (9, 2385280), (10, 2146752), (12, 1788960), (15, 1431168), (16, 1341720), (18, 1192640), (20, 1073376), (24, 894480), (30, 715584), (32, 670860), (36, 596320), (40, 536688), (45, 477056), (48, 447240), (60, 357792), (64, 335430), (72, 298160), (80, 268344), (90, 238528), (96, 223620), (120, 178896), (128, 167715), (144, 149080), (160, 134172), (180, 119264), (192, 111810), (240, 89448), (288, 74540), (320, 67086), (360, 59632), (384, 55905), (480, 44724), (576, 37270), (640, 33543), (720, 29816), (960, 22362), (1152, 18635), (1440, 14908), (1920, 11181), (2880, 7454), (3727, 5760)]