21363840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3709}}^1$

素因数の和:3734

約数の個数: 96

約数和(自身を含む): 73791900

約数和(自身を除く): 52428060

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, 3709, 5760, 7418, 11127, 14836, 18545, 22254, 29672, 33381, 37090, 44508, 55635, 59344, 66762, 74180, 89016, 111270, 118688, 133524, 148360, 166905, 178032, 222540, 237376, 267048, 296720, 333810, 356064, 445080, 474752, 534096, 593440, 667620, 712128, 890160, 1068192, 1186880, 1335240, 1424256, 1780320, 2136384, 2373760, 2670480, 3560640, 4272768, 5340960, 7121280, 10681920, 21363840]

約数ペア:

[(1, 21363840), (2, 10681920), (3, 7121280), (4, 5340960), (5, 4272768), (6, 3560640), (8, 2670480), (9, 2373760), (10, 2136384), (12, 1780320), (15, 1424256), (16, 1335240), (18, 1186880), (20, 1068192), (24, 890160), (30, 712128), (32, 667620), (36, 593440), (40, 534096), (45, 474752), (48, 445080), (60, 356064), (64, 333810), (72, 296720), (80, 267048), (90, 237376), (96, 222540), (120, 178032), (128, 166905), (144, 148360), (160, 133524), (180, 118688), (192, 111270), (240, 89016), (288, 74180), (320, 66762), (360, 59344), (384, 55635), (480, 44508), (576, 37090), (640, 33381), (720, 29672), (960, 22254), (1152, 18545), (1440, 14836), (1920, 11127), (2880, 7418), (3709, 5760)]