21113040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 72245376

約数和(自身を除く): 51132336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 67, 78, 80, 101, 104, 120, 130, 134, 156, 195, 201, 202, 208, 240, 260, 268, 303, 312, 335, 390, 402, 404, 505, 520, 536, 606, 624, 670, 780, 804, 808, 871, 1005, 1010, 1040, 1072, 1212, 1313, 1340, 1515, 1560, 1608, 1616, 1742, 2010, 2020, 2424, 2613, 2626, 2680, 3030, 3120, 3216, 3484, 3939, 4020, 4040, 4355, 4848, 5226, 5252, 5360, 6060, 6565, 6767, 6968, 7878, 8040, 8080, 8710, 10452, 10504, 12120, 13065, 13130, 13534, 13936, 15756, 16080, 17420, 19695, 20301, 20904, 21008, 24240, 26130, 26260, 27068, 31512, 33835, 34840, 39390, 40602, 41808, 52260, 52520, 54136, 63024, 67670, 69680, 78780, 81204, 87971, 101505, 104520, 105040, 108272, 135340, 157560, 162408, 175942, 203010, 209040, 263913, 270680, 315120, 324816, 351884, 406020, 439855, 527826, 541360, 703768, 812040, 879710, 1055652, 1319565, 1407536, 1624080, 1759420, 2111304, 2639130, 3518840, 4222608, 5278260, 7037680, 10556520, 21113040]

約数ペア:

[(1, 21113040), (2, 10556520), (3, 7037680), (4, 5278260), (5, 4222608), (6, 3518840), (8, 2639130), (10, 2111304), (12, 1759420), (13, 1624080), (15, 1407536), (16, 1319565), (20, 1055652), (24, 879710), (26, 812040), (30, 703768), (39, 541360), (40, 527826), (48, 439855), (52, 406020), (60, 351884), (65, 324816), (67, 315120), (78, 270680), (80, 263913), (101, 209040), (104, 203010), (120, 175942), (130, 162408), (134, 157560), (156, 135340), (195, 108272), (201, 105040), (202, 104520), (208, 101505), (240, 87971), (260, 81204), (268, 78780), (303, 69680), (312, 67670), (335, 63024), (390, 54136), (402, 52520), (404, 52260), (505, 41808), (520, 40602), (536, 39390), (606, 34840), (624, 33835), (670, 31512), (780, 27068), (804, 26260), (808, 26130), (871, 24240), (1005, 21008), (1010, 20904), (1040, 20301), (1072, 19695), (1212, 17420), (1313, 16080), (1340, 15756), (1515, 13936), (1560, 13534), (1608, 13130), (1616, 13065), (1742, 12120), (2010, 10504), (2020, 10452), (2424, 8710), (2613, 8080), (2626, 8040), (2680, 7878), (3030, 6968), (3120, 6767), (3216, 6565), (3484, 6060), (3939, 5360), (4020, 5252), (4040, 5226), (4355, 4848)]