21023851212

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{305597}}^1$

素因数の和:305637

約数の個数: 144

約数和(自身を含む): 68282817120

約数和(自身を除く): 47258965908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 182, 189, 196, 234, 252, 273, 294, 351, 364, 378, 441, 468, 546, 588, 637, 702, 756, 819, 882, 1092, 1274, 1323, 1404, 1638, 1764, 1911, 2457, 2548, 2646, 3276, 3822, 4914, 5292, 5733, 7644, 9828, 11466, 17199, 22932, 34398, 68796, 305597, 611194, 916791, 1222388, 1833582, 2139179, 2750373, 3667164, 3972761, 4278358, 5500746, 6417537, 7945522, 8251119, 8556716, 11001492, 11918283, 12835074, 14974253, 15891044, 16502238, 19252611, 23836566, 25670148, 27809327, 29948506, 33004476, 35754849, 38505222, 44922759, 47673132, 55618654, 57757833, 59897012, 71509698, 77010444, 83427981, 89845518, 107264547, 111237308, 115515666, 134768277, 143019396, 166855962, 179691036, 194665289, 214529094, 231031332, 250283943, 269536554, 333711924, 389330578, 404304831, 429058188, 500567886, 539073108, 583995867, 750851829, 778661156, 808609662, 1001135772, 1167991734, 1501703658, 1617219324, 1751987601, 2335983468, 3003407316, 3503975202, 5255962803, 7007950404, 10511925606, 21023851212]

約数ペア:

[(1, 21023851212), (2, 10511925606), (3, 7007950404), (4, 5255962803), (6, 3503975202), (7, 3003407316), (9, 2335983468), (12, 1751987601), (13, 1617219324), (14, 1501703658), (18, 1167991734), (21, 1001135772), (26, 808609662), (27, 778661156), (28, 750851829), (36, 583995867), (39, 539073108), (42, 500567886), (49, 429058188), (52, 404304831), (54, 389330578), (63, 333711924), (78, 269536554), (84, 250283943), (91, 231031332), (98, 214529094), (108, 194665289), (117, 179691036), (126, 166855962), (147, 143019396), (156, 134768277), (182, 115515666), (189, 111237308), (196, 107264547), (234, 89845518), (252, 83427981), (273, 77010444), (294, 71509698), (351, 59897012), (364, 57757833), (378, 55618654), (441, 47673132), (468, 44922759), (546, 38505222), (588, 35754849), (637, 33004476), (702, 29948506), (756, 27809327), (819, 25670148), (882, 23836566), (1092, 19252611), (1274, 16502238), (1323, 15891044), (1404, 14974253), (1638, 12835074), (1764, 11918283), (1911, 11001492), (2457, 8556716), (2548, 8251119), (2646, 7945522), (3276, 6417537), (3822, 5500746), (4914, 4278358), (5292, 3972761), (5733, 3667164), (7644, 2750373), (9828, 2139179), (11466, 1833582), (17199, 1222388), (22932, 916791), (34398, 611194), (68796, 305597)]