21462784

素因数分解:

$2^8\times 7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 108

約数和(自身を含む): 52428600

約数和(自身を除く): 30965816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 59, 64, 98, 112, 116, 118, 128, 196, 203, 224, 232, 236, 256, 392, 406, 413, 448, 464, 472, 784, 812, 826, 896, 928, 944, 1421, 1568, 1624, 1652, 1711, 1792, 1856, 1888, 2842, 2891, 3136, 3248, 3304, 3422, 3712, 3776, 5684, 5782, 6272, 6496, 6608, 6844, 7424, 7552, 11368, 11564, 11977, 12544, 12992, 13216, 13688, 15104, 22736, 23128, 23954, 25984, 26432, 27376, 45472, 46256, 47908, 51968, 52864, 54752, 83839, 90944, 92512, 95816, 105728, 109504, 167678, 181888, 185024, 191632, 219008, 335356, 363776, 370048, 383264, 438016, 670712, 740096, 766528, 1341424, 1533056, 2682848, 3066112, 5365696, 10731392, 21462784]

約数ペア:

[(1, 21462784), (2, 10731392), (4, 5365696), (7, 3066112), (8, 2682848), (14, 1533056), (16, 1341424), (28, 766528), (29, 740096), (32, 670712), (49, 438016), (56, 383264), (58, 370048), (59, 363776), (64, 335356), (98, 219008), (112, 191632), (116, 185024), (118, 181888), (128, 167678), (196, 109504), (203, 105728), (224, 95816), (232, 92512), (236, 90944), (256, 83839), (392, 54752), (406, 52864), (413, 51968), (448, 47908), (464, 46256), (472, 45472), (784, 27376), (812, 26432), (826, 25984), (896, 23954), (928, 23128), (944, 22736), (1421, 15104), (1568, 13688), (1624, 13216), (1652, 12992), (1711, 12544), (1792, 11977), (1856, 11564), (1888, 11368), (2842, 7552), (2891, 7424), (3136, 6844), (3248, 6608), (3304, 6496), (3422, 6272), (3712, 5782), (3776, 5684)]