21063120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 72412032

約数和(自身を除く): 51348912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 104, 120, 129, 130, 156, 157, 172, 195, 208, 215, 240, 258, 260, 312, 314, 344, 390, 430, 471, 516, 520, 559, 624, 628, 645, 688, 780, 785, 860, 942, 1032, 1040, 1118, 1256, 1290, 1560, 1570, 1677, 1720, 1884, 2041, 2064, 2236, 2355, 2512, 2580, 2795, 3120, 3140, 3354, 3440, 3768, 4082, 4472, 4710, 5160, 5590, 6123, 6280, 6708, 6751, 7536, 8164, 8385, 8944, 9420, 10205, 10320, 11180, 12246, 12560, 13416, 13502, 16328, 16770, 18840, 20253, 20410, 22360, 24492, 26832, 27004, 30615, 32656, 33540, 33755, 37680, 40506, 40820, 44720, 48984, 54008, 61230, 67080, 67510, 81012, 81640, 87763, 97968, 101265, 108016, 122460, 134160, 135020, 162024, 163280, 175526, 202530, 244920, 263289, 270040, 324048, 351052, 405060, 438815, 489840, 526578, 540080, 702104, 810120, 877630, 1053156, 1316445, 1404208, 1620240, 1755260, 2106312, 2632890, 3510520, 4212624, 5265780, 7021040, 10531560, 21063120]

約数ペア:

[(1, 21063120), (2, 10531560), (3, 7021040), (4, 5265780), (5, 4212624), (6, 3510520), (8, 2632890), (10, 2106312), (12, 1755260), (13, 1620240), (15, 1404208), (16, 1316445), (20, 1053156), (24, 877630), (26, 810120), (30, 702104), (39, 540080), (40, 526578), (43, 489840), (48, 438815), (52, 405060), (60, 351052), (65, 324048), (78, 270040), (80, 263289), (86, 244920), (104, 202530), (120, 175526), (129, 163280), (130, 162024), (156, 135020), (157, 134160), (172, 122460), (195, 108016), (208, 101265), (215, 97968), (240, 87763), (258, 81640), (260, 81012), (312, 67510), (314, 67080), (344, 61230), (390, 54008), (430, 48984), (471, 44720), (516, 40820), (520, 40506), (559, 37680), (624, 33755), (628, 33540), (645, 32656), (688, 30615), (780, 27004), (785, 26832), (860, 24492), (942, 22360), (1032, 20410), (1040, 20253), (1118, 18840), (1256, 16770), (1290, 16328), (1560, 13502), (1570, 13416), (1677, 12560), (1720, 12246), (1884, 11180), (2041, 10320), (2064, 10205), (2236, 9420), (2355, 8944), (2512, 8385), (2580, 8164), (2795, 7536), (3120, 6751), (3140, 6708), (3354, 6280), (3440, 6123), (3768, 5590), (4082, 5160), (4472, 4710)]