21076464

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1174

約数の個数: 80

約数和(自身を含む): 60210432

約数和(自身を除く): 39133968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 48, 51, 68, 69, 92, 102, 136, 138, 184, 204, 272, 276, 368, 391, 408, 552, 782, 816, 1104, 1123, 1173, 1564, 2246, 2346, 3128, 3369, 4492, 4692, 6256, 6738, 8984, 9384, 13476, 17968, 18768, 19091, 25829, 26952, 38182, 51658, 53904, 57273, 76364, 77487, 103316, 114546, 152728, 154974, 206632, 229092, 305456, 309948, 413264, 439093, 458184, 619896, 878186, 916368, 1239792, 1317279, 1756372, 2634558, 3512744, 5269116, 7025488, 10538232, 21076464]

約数ペア:

[(1, 21076464), (2, 10538232), (3, 7025488), (4, 5269116), (6, 3512744), (8, 2634558), (12, 1756372), (16, 1317279), (17, 1239792), (23, 916368), (24, 878186), (34, 619896), (46, 458184), (48, 439093), (51, 413264), (68, 309948), (69, 305456), (92, 229092), (102, 206632), (136, 154974), (138, 152728), (184, 114546), (204, 103316), (272, 77487), (276, 76364), (368, 57273), (391, 53904), (408, 51658), (552, 38182), (782, 26952), (816, 25829), (1104, 19091), (1123, 18768), (1173, 17968), (1564, 13476), (2246, 9384), (2346, 8984), (3128, 6738), (3369, 6256), (4492, 4692)]