21142170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:964

約数の個数: 96

約数和(自身を含む): 64591488

約数和(自身を除く): 43449318

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 37, 42, 45, 63, 70, 74, 90, 105, 111, 126, 185, 210, 222, 259, 315, 333, 370, 518, 555, 630, 666, 777, 907, 1110, 1295, 1554, 1665, 1814, 2331, 2590, 2721, 3330, 3885, 4535, 4662, 5442, 6349, 7770, 8163, 9070, 11655, 12698, 13605, 16326, 19047, 23310, 27210, 31745, 33559, 38094, 40815, 57141, 63490, 67118, 81630, 95235, 100677, 114282, 167795, 190470, 201354, 234913, 285705, 302031, 335590, 469826, 503385, 571410, 604062, 704739, 1006770, 1174565, 1409478, 1510155, 2114217, 2349130, 3020310, 3523695, 4228434, 7047390, 10571085, 21142170]

約数ペア:

[(1, 21142170), (2, 10571085), (3, 7047390), (5, 4228434), (6, 3523695), (7, 3020310), (9, 2349130), (10, 2114217), (14, 1510155), (15, 1409478), (18, 1174565), (21, 1006770), (30, 704739), (35, 604062), (37, 571410), (42, 503385), (45, 469826), (63, 335590), (70, 302031), (74, 285705), (90, 234913), (105, 201354), (111, 190470), (126, 167795), (185, 114282), (210, 100677), (222, 95235), (259, 81630), (315, 67118), (333, 63490), (370, 57141), (518, 40815), (555, 38094), (630, 33559), (666, 31745), (777, 27210), (907, 23310), (1110, 19047), (1295, 16326), (1554, 13605), (1665, 12698), (1814, 11655), (2331, 9070), (2590, 8163), (2721, 7770), (3330, 6349), (3885, 5442), (4535, 4662)]