21268192

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 28373792

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 37, 44, 46, 71, 74, 88, 92, 142, 148, 176, 184, 253, 284, 296, 352, 368, 407, 506, 568, 592, 736, 781, 814, 851, 1012, 1136, 1184, 1562, 1628, 1633, 1702, 2024, 2272, 2627, 3124, 3256, 3266, 3404, 4048, 5254, 6248, 6512, 6532, 6808, 8096, 9361, 10508, 12496, 13024, 13064, 13616, 17963, 18722, 21016, 24992, 26128, 27232, 28897, 35926, 37444, 42032, 52256, 57794, 60421, 71852, 74888, 84064, 115588, 120842, 143704, 149776, 231176, 241684, 287408, 299552, 462352, 483368, 574816, 664631, 924704, 966736, 1329262, 1933472, 2658524, 5317048, 10634096, 21268192]

約数ペア:

[(1, 21268192), (2, 10634096), (4, 5317048), (8, 2658524), (11, 1933472), (16, 1329262), (22, 966736), (23, 924704), (32, 664631), (37, 574816), (44, 483368), (46, 462352), (71, 299552), (74, 287408), (88, 241684), (92, 231176), (142, 149776), (148, 143704), (176, 120842), (184, 115588), (253, 84064), (284, 74888), (296, 71852), (352, 60421), (368, 57794), (407, 52256), (506, 42032), (568, 37444), (592, 35926), (736, 28897), (781, 27232), (814, 26128), (851, 24992), (1012, 21016), (1136, 18722), (1184, 17963), (1562, 13616), (1628, 13064), (1633, 13024), (1702, 12496), (2024, 10508), (2272, 9361), (2627, 8096), (3124, 6808), (3256, 6532), (3266, 6512), (3404, 6248), (4048, 5254)]