21212532

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 65100672

約数和(自身を除く): 43888140

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 23, 33, 34, 36, 44, 46, 51, 66, 68, 69, 92, 99, 102, 132, 137, 138, 153, 187, 198, 204, 207, 253, 274, 276, 306, 374, 391, 396, 411, 414, 506, 548, 561, 612, 748, 759, 782, 822, 828, 1012, 1122, 1173, 1233, 1507, 1518, 1564, 1644, 1683, 2244, 2277, 2329, 2346, 2466, 3014, 3036, 3151, 3366, 3519, 4301, 4521, 4554, 4658, 4692, 4932, 6028, 6302, 6732, 6987, 7038, 8602, 9042, 9108, 9316, 9453, 12604, 12903, 13563, 13974, 14076, 17204, 18084, 18906, 20961, 25619, 25806, 27126, 27948, 28359, 34661, 37812, 38709, 41922, 51238, 51612, 53567, 54252, 56718, 69322, 76857, 77418, 83844, 102476, 103983, 107134, 113436, 138644, 153714, 154836, 160701, 207966, 214268, 230571, 307428, 311949, 321402, 415932, 461142, 482103, 589237, 623898, 642804, 922284, 964206, 1178474, 1247796, 1767711, 1928412, 2356948, 3535422, 5303133, 7070844, 10606266, 21212532]

約数ペア:

[(1, 21212532), (2, 10606266), (3, 7070844), (4, 5303133), (6, 3535422), (9, 2356948), (11, 1928412), (12, 1767711), (17, 1247796), (18, 1178474), (22, 964206), (23, 922284), (33, 642804), (34, 623898), (36, 589237), (44, 482103), (46, 461142), (51, 415932), (66, 321402), (68, 311949), (69, 307428), (92, 230571), (99, 214268), (102, 207966), (132, 160701), (137, 154836), (138, 153714), (153, 138644), (187, 113436), (198, 107134), (204, 103983), (207, 102476), (253, 83844), (274, 77418), (276, 76857), (306, 69322), (374, 56718), (391, 54252), (396, 53567), (411, 51612), (414, 51238), (506, 41922), (548, 38709), (561, 37812), (612, 34661), (748, 28359), (759, 27948), (782, 27126), (822, 25806), (828, 25619), (1012, 20961), (1122, 18906), (1173, 18084), (1233, 17204), (1507, 14076), (1518, 13974), (1564, 13563), (1644, 12903), (1683, 12604), (2244, 9453), (2277, 9316), (2329, 9108), (2346, 9042), (2466, 8602), (3014, 7038), (3036, 6987), (3151, 6732), (3366, 6302), (3519, 6028), (4301, 4932), (4521, 4692), (4554, 4658)]