21676128

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 38199072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 59, 86, 89, 96, 118, 129, 172, 177, 178, 236, 258, 267, 344, 354, 356, 472, 516, 534, 688, 708, 712, 944, 1032, 1068, 1376, 1416, 1424, 1888, 2064, 2136, 2537, 2832, 2848, 3827, 4128, 4272, 5074, 5251, 5664, 7611, 7654, 8544, 10148, 10502, 11481, 15222, 15308, 15753, 20296, 21004, 22962, 30444, 30616, 31506, 40592, 42008, 45924, 60888, 61232, 63012, 81184, 84016, 91848, 121776, 122464, 126024, 168032, 183696, 225793, 243552, 252048, 367392, 451586, 504096, 677379, 903172, 1354758, 1806344, 2709516, 3612688, 5419032, 7225376, 10838064, 21676128]

約数ペア:

[(1, 21676128), (2, 10838064), (3, 7225376), (4, 5419032), (6, 3612688), (8, 2709516), (12, 1806344), (16, 1354758), (24, 903172), (32, 677379), (43, 504096), (48, 451586), (59, 367392), (86, 252048), (89, 243552), (96, 225793), (118, 183696), (129, 168032), (172, 126024), (177, 122464), (178, 121776), (236, 91848), (258, 84016), (267, 81184), (344, 63012), (354, 61232), (356, 60888), (472, 45924), (516, 42008), (534, 40592), (688, 31506), (708, 30616), (712, 30444), (944, 22962), (1032, 21004), (1068, 20296), (1376, 15753), (1416, 15308), (1424, 15222), (1888, 11481), (2064, 10502), (2136, 10148), (2537, 8544), (2832, 7654), (2848, 7611), (3827, 5664), (4128, 5251), (4272, 5074)]