21419118

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 58406400

約数和(自身を除く): 36987282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 38, 42, 46, 57, 63, 69, 114, 126, 133, 138, 161, 171, 207, 266, 322, 342, 389, 399, 414, 437, 483, 778, 798, 874, 966, 1167, 1197, 1311, 1449, 2334, 2394, 2622, 2723, 2898, 3059, 3501, 3933, 5446, 6118, 7002, 7391, 7866, 8169, 8947, 9177, 14782, 16338, 17894, 18354, 22173, 24507, 26841, 27531, 44346, 49014, 51737, 53682, 55062, 62629, 66519, 80523, 103474, 125258, 133038, 155211, 161046, 169993, 187887, 310422, 339986, 375774, 465633, 509979, 563661, 931266, 1019958, 1127322, 1189951, 1529937, 2379902, 3059874, 3569853, 7139706, 10709559, 21419118]

約数ペア:

[(1, 21419118), (2, 10709559), (3, 7139706), (6, 3569853), (7, 3059874), (9, 2379902), (14, 1529937), (18, 1189951), (19, 1127322), (21, 1019958), (23, 931266), (38, 563661), (42, 509979), (46, 465633), (57, 375774), (63, 339986), (69, 310422), (114, 187887), (126, 169993), (133, 161046), (138, 155211), (161, 133038), (171, 125258), (207, 103474), (266, 80523), (322, 66519), (342, 62629), (389, 55062), (399, 53682), (414, 51737), (437, 49014), (483, 44346), (778, 27531), (798, 26841), (874, 24507), (966, 22173), (1167, 18354), (1197, 17894), (1311, 16338), (1449, 14782), (2334, 9177), (2394, 8947), (2622, 8169), (2723, 7866), (2898, 7391), (3059, 7002), (3501, 6118), (3933, 5446)]