21851160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{863}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 65940480

約数和(自身を除く): 44089320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 863, 1055, 1266, 1688, 1726, 2110, 2532, 2589, 3165, 3452, 4220, 4315, 5064, 5178, 6330, 6904, 8440, 8630, 10356, 12660, 12945, 17260, 20712, 25320, 25890, 34520, 51780, 103560, 182093, 364186, 546279, 728372, 910465, 1092558, 1456744, 1820930, 2185116, 2731395, 3641860, 4370232, 5462790, 7283720, 10925580, 21851160]

約数ペア:

[(1, 21851160), (2, 10925580), (3, 7283720), (4, 5462790), (5, 4370232), (6, 3641860), (8, 2731395), (10, 2185116), (12, 1820930), (15, 1456744), (20, 1092558), (24, 910465), (30, 728372), (40, 546279), (60, 364186), (120, 182093), (211, 103560), (422, 51780), (633, 34520), (844, 25890), (863, 25320), (1055, 20712), (1266, 17260), (1688, 12945), (1726, 12660), (2110, 10356), (2532, 8630), (2589, 8440), (3165, 6904), (3452, 6330), (4220, 5178), (4315, 5064)]