21921228

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 162

約数和(自身を含む): 70065996

約数和(自身を除く): 48144768

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 43, 49, 51, 63, 68, 84, 86, 98, 102, 119, 126, 129, 147, 153, 172, 196, 204, 238, 252, 258, 289, 294, 301, 306, 357, 387, 441, 476, 516, 578, 588, 602, 612, 714, 731, 774, 833, 867, 882, 903, 1071, 1156, 1204, 1428, 1462, 1548, 1666, 1734, 1764, 1806, 2023, 2107, 2142, 2193, 2499, 2601, 2709, 2924, 3332, 3468, 3612, 4046, 4214, 4284, 4386, 4998, 5117, 5202, 5418, 6069, 6321, 6579, 7497, 8092, 8428, 8772, 9996, 10234, 10404, 10836, 12138, 12427, 12642, 13158, 14161, 14994, 15351, 18207, 18963, 20468, 24276, 24854, 25284, 26316, 28322, 29988, 30702, 35819, 36414, 37281, 37926, 42483, 46053, 49708, 56644, 61404, 71638, 72828, 74562, 75852, 84966, 86989, 92106, 107457, 111843, 127449, 143276, 149124, 169932, 173978, 184212, 214914, 223686, 254898, 260967, 322371, 347956, 429828, 447372, 509796, 521934, 608923, 644742, 782901, 1043868, 1217846, 1289484, 1565802, 1826769, 2435692, 3131604, 3653538, 5480307, 7307076, 10960614, 21921228]

約数ペア:

[(1, 21921228), (2, 10960614), (3, 7307076), (4, 5480307), (6, 3653538), (7, 3131604), (9, 2435692), (12, 1826769), (14, 1565802), (17, 1289484), (18, 1217846), (21, 1043868), (28, 782901), (34, 644742), (36, 608923), (42, 521934), (43, 509796), (49, 447372), (51, 429828), (63, 347956), (68, 322371), (84, 260967), (86, 254898), (98, 223686), (102, 214914), (119, 184212), (126, 173978), (129, 169932), (147, 149124), (153, 143276), (172, 127449), (196, 111843), (204, 107457), (238, 92106), (252, 86989), (258, 84966), (289, 75852), (294, 74562), (301, 72828), (306, 71638), (357, 61404), (387, 56644), (441, 49708), (476, 46053), (516, 42483), (578, 37926), (588, 37281), (602, 36414), (612, 35819), (714, 30702), (731, 29988), (774, 28322), (833, 26316), (867, 25284), (882, 24854), (903, 24276), (1071, 20468), (1156, 18963), (1204, 18207), (1428, 15351), (1462, 14994), (1548, 14161), (1666, 13158), (1734, 12642), (1764, 12427), (1806, 12138), (2023, 10836), (2107, 10404), (2142, 10234), (2193, 9996), (2499, 8772), (2601, 8428), (2709, 8092), (2924, 7497), (3332, 6579), (3468, 6321), (3612, 6069), (4046, 5418), (4214, 5202), (4284, 5117), (4386, 4998)]