21353292

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 41388660

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 37, 41, 46, 51, 68, 69, 74, 82, 92, 102, 111, 123, 138, 148, 153, 164, 204, 207, 222, 246, 276, 306, 333, 369, 391, 414, 444, 492, 612, 629, 666, 697, 738, 782, 828, 851, 943, 1173, 1258, 1332, 1394, 1476, 1517, 1564, 1702, 1886, 1887, 2091, 2346, 2516, 2553, 2788, 2829, 3034, 3404, 3519, 3772, 3774, 4182, 4551, 4692, 5106, 5658, 5661, 6068, 6273, 7038, 7548, 7659, 8364, 8487, 9102, 10212, 11316, 11322, 12546, 13653, 14076, 14467, 15318, 16031, 16974, 18204, 22644, 25092, 25789, 27306, 28934, 30636, 32062, 33948, 34891, 43401, 48093, 51578, 54612, 57868, 64124, 69782, 77367, 86802, 96186, 103156, 104673, 130203, 139564, 144279, 154734, 173604, 192372, 209346, 232101, 260406, 288558, 309468, 314019, 418692, 464202, 520812, 577116, 593147, 628038, 928404, 1186294, 1256076, 1779441, 2372588, 3558882, 5338323, 7117764, 10676646, 21353292]

約数ペア:

[(1, 21353292), (2, 10676646), (3, 7117764), (4, 5338323), (6, 3558882), (9, 2372588), (12, 1779441), (17, 1256076), (18, 1186294), (23, 928404), (34, 628038), (36, 593147), (37, 577116), (41, 520812), (46, 464202), (51, 418692), (68, 314019), (69, 309468), (74, 288558), (82, 260406), (92, 232101), (102, 209346), (111, 192372), (123, 173604), (138, 154734), (148, 144279), (153, 139564), (164, 130203), (204, 104673), (207, 103156), (222, 96186), (246, 86802), (276, 77367), (306, 69782), (333, 64124), (369, 57868), (391, 54612), (414, 51578), (444, 48093), (492, 43401), (612, 34891), (629, 33948), (666, 32062), (697, 30636), (738, 28934), (782, 27306), (828, 25789), (851, 25092), (943, 22644), (1173, 18204), (1258, 16974), (1332, 16031), (1394, 15318), (1476, 14467), (1517, 14076), (1564, 13653), (1702, 12546), (1886, 11322), (1887, 11316), (2091, 10212), (2346, 9102), (2516, 8487), (2553, 8364), (2788, 7659), (2829, 7548), (3034, 7038), (3404, 6273), (3519, 6068), (3772, 5661), (3774, 5658), (4182, 5106), (4551, 4692)]