21328245828

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{1319}}^1$

素因数の和:1742

約数の個数: 144

約数和(自身を含む): 57426969600

約数和(自身を除く): 36098723772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 92, 118, 138, 177, 207, 236, 276, 331, 354, 414, 531, 662, 708, 828, 993, 1062, 1319, 1324, 1357, 1986, 2124, 2638, 2714, 2979, 3957, 3972, 4071, 5276, 5428, 5958, 7613, 7914, 8142, 11871, 11916, 12213, 15226, 15828, 16284, 19529, 22839, 23742, 24426, 30337, 30452, 39058, 45678, 47484, 48852, 58587, 60674, 68517, 77821, 78116, 91011, 91356, 117174, 121348, 137034, 155642, 175761, 182022, 233463, 234348, 273033, 274068, 311284, 351522, 364044, 436589, 449167, 466926, 546066, 700389, 703044, 873178, 898334, 933852, 1092132, 1309767, 1347501, 1400778, 1746356, 1789883, 1796668, 2619534, 2695002, 2801556, 3579766, 3929301, 4042503, 5239068, 5369649, 5390004, 7159532, 7858602, 8085006, 10041547, 10739298, 15717204, 16108947, 16170012, 20083094, 21478596, 25758751, 30124641, 32217894, 40166188, 51517502, 60249282, 64435788, 77276253, 90373923, 103035004, 120498564, 154552506, 180747846, 231828759, 309105012, 361495692, 463657518, 592451273, 927315036, 1184902546, 1777353819, 2369805092, 3554707638, 5332061457, 7109415276, 10664122914, 21328245828]

約数ペア:

[(1, 21328245828), (2, 10664122914), (3, 7109415276), (4, 5332061457), (6, 3554707638), (9, 2369805092), (12, 1777353819), (18, 1184902546), (23, 927315036), (36, 592451273), (46, 463657518), (59, 361495692), (69, 309105012), (92, 231828759), (118, 180747846), (138, 154552506), (177, 120498564), (207, 103035004), (236, 90373923), (276, 77276253), (331, 64435788), (354, 60249282), (414, 51517502), (531, 40166188), (662, 32217894), (708, 30124641), (828, 25758751), (993, 21478596), (1062, 20083094), (1319, 16170012), (1324, 16108947), (1357, 15717204), (1986, 10739298), (2124, 10041547), (2638, 8085006), (2714, 7858602), (2979, 7159532), (3957, 5390004), (3972, 5369649), (4071, 5239068), (5276, 4042503), (5428, 3929301), (5958, 3579766), (7613, 2801556), (7914, 2695002), (8142, 2619534), (11871, 1796668), (11916, 1789883), (12213, 1746356), (15226, 1400778), (15828, 1347501), (16284, 1309767), (19529, 1092132), (22839, 933852), (23742, 898334), (24426, 873178), (30337, 703044), (30452, 700389), (39058, 546066), (45678, 466926), (47484, 449167), (48852, 436589), (58587, 364044), (60674, 351522), (68517, 311284), (77821, 274068), (78116, 273033), (91011, 234348), (91356, 233463), (117174, 182022), (121348, 175761), (137034, 155642)]