21607500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 65429056

約数和(自身を除く): 43821556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 67, 75, 86, 100, 125, 129, 134, 150, 172, 201, 215, 250, 258, 268, 300, 335, 375, 402, 430, 500, 516, 625, 645, 670, 750, 804, 860, 1005, 1075, 1250, 1290, 1340, 1500, 1675, 1875, 2010, 2150, 2500, 2580, 2881, 3225, 3350, 3750, 4020, 4300, 5025, 5375, 5762, 6450, 6700, 7500, 8375, 8643, 10050, 10750, 11524, 12900, 14405, 16125, 16750, 17286, 20100, 21500, 25125, 26875, 28810, 32250, 33500, 34572, 41875, 43215, 50250, 53750, 57620, 64500, 72025, 80625, 83750, 86430, 100500, 107500, 125625, 144050, 161250, 167500, 172860, 216075, 251250, 288100, 322500, 360125, 432150, 502500, 720250, 864300, 1080375, 1440500, 1800625, 2160750, 3601250, 4321500, 5401875, 7202500, 10803750, 21607500]

約数ペア:

[(1, 21607500), (2, 10803750), (3, 7202500), (4, 5401875), (5, 4321500), (6, 3601250), (10, 2160750), (12, 1800625), (15, 1440500), (20, 1080375), (25, 864300), (30, 720250), (43, 502500), (50, 432150), (60, 360125), (67, 322500), (75, 288100), (86, 251250), (100, 216075), (125, 172860), (129, 167500), (134, 161250), (150, 144050), (172, 125625), (201, 107500), (215, 100500), (250, 86430), (258, 83750), (268, 80625), (300, 72025), (335, 64500), (375, 57620), (402, 53750), (430, 50250), (500, 43215), (516, 41875), (625, 34572), (645, 33500), (670, 32250), (750, 28810), (804, 26875), (860, 25125), (1005, 21500), (1075, 20100), (1250, 17286), (1290, 16750), (1340, 16125), (1500, 14405), (1675, 12900), (1875, 11524), (2010, 10750), (2150, 10050), (2500, 8643), (2580, 8375), (2881, 7500), (3225, 6700), (3350, 6450), (3750, 5762), (4020, 5375), (4300, 5025)]