21497100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 62787648

約数和(自身を除く): 41290548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 131, 150, 262, 300, 393, 524, 547, 655, 786, 1094, 1310, 1572, 1641, 1965, 2188, 2620, 2735, 3275, 3282, 3930, 5470, 6550, 6564, 7860, 8205, 9825, 10940, 13100, 13675, 16410, 19650, 27350, 32820, 39300, 41025, 54700, 71657, 82050, 143314, 164100, 214971, 286628, 358285, 429942, 716570, 859884, 1074855, 1433140, 1791425, 2149710, 3582850, 4299420, 5374275, 7165700, 10748550, 21497100]

約数ペア:

[(1, 21497100), (2, 10748550), (3, 7165700), (4, 5374275), (5, 4299420), (6, 3582850), (10, 2149710), (12, 1791425), (15, 1433140), (20, 1074855), (25, 859884), (30, 716570), (50, 429942), (60, 358285), (75, 286628), (100, 214971), (131, 164100), (150, 143314), (262, 82050), (300, 71657), (393, 54700), (524, 41025), (547, 39300), (655, 32820), (786, 27350), (1094, 19650), (1310, 16410), (1572, 13675), (1641, 13100), (1965, 10940), (2188, 9825), (2620, 8205), (2735, 7860), (3275, 6564), (3282, 6550), (3930, 5470)]