21319872

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:598

約数の個数: 112

約数和(自身を含む): 66812160

約数和(自身を除く): 45492288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 64, 84, 87, 96, 112, 116, 168, 174, 192, 203, 224, 232, 336, 348, 406, 448, 464, 547, 609, 672, 696, 812, 928, 1094, 1218, 1344, 1392, 1624, 1641, 1856, 2188, 2436, 2784, 3248, 3282, 3829, 4376, 4872, 5568, 6496, 6564, 7658, 8752, 9744, 11487, 12992, 13128, 15316, 15863, 17504, 19488, 22974, 26256, 30632, 31726, 35008, 38976, 45948, 47589, 52512, 61264, 63452, 91896, 95178, 105024, 111041, 122528, 126904, 183792, 190356, 222082, 245056, 253808, 333123, 367584, 380712, 444164, 507616, 666246, 735168, 761424, 888328, 1015232, 1332492, 1522848, 1776656, 2664984, 3045696, 3553312, 5329968, 7106624, 10659936, 21319872]

約数ペア:

[(1, 21319872), (2, 10659936), (3, 7106624), (4, 5329968), (6, 3553312), (7, 3045696), (8, 2664984), (12, 1776656), (14, 1522848), (16, 1332492), (21, 1015232), (24, 888328), (28, 761424), (29, 735168), (32, 666246), (42, 507616), (48, 444164), (56, 380712), (58, 367584), (64, 333123), (84, 253808), (87, 245056), (96, 222082), (112, 190356), (116, 183792), (168, 126904), (174, 122528), (192, 111041), (203, 105024), (224, 95178), (232, 91896), (336, 63452), (348, 61264), (406, 52512), (448, 47589), (464, 45948), (547, 38976), (609, 35008), (672, 31726), (696, 30632), (812, 26256), (928, 22974), (1094, 19488), (1218, 17504), (1344, 15863), (1392, 15316), (1624, 13128), (1641, 12992), (1856, 11487), (2188, 9744), (2436, 8752), (2784, 7658), (3248, 6564), (3282, 6496), (3829, 5568), (4376, 4872)]