21667590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 65085696

約数和(自身を除く): 43418106

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 163, 210, 211, 315, 326, 422, 489, 630, 633, 815, 978, 1055, 1141, 1266, 1467, 1477, 1630, 1899, 2110, 2282, 2445, 2934, 2954, 3165, 3423, 3798, 4431, 4890, 5705, 6330, 6846, 7335, 7385, 8862, 9495, 10269, 11410, 13293, 14670, 14770, 17115, 18990, 20538, 22155, 26586, 34230, 34393, 44310, 51345, 66465, 68786, 102690, 103179, 132930, 171965, 206358, 240751, 309537, 343930, 481502, 515895, 619074, 722253, 1031790, 1203755, 1444506, 1547685, 2166759, 2407510, 3095370, 3611265, 4333518, 7222530, 10833795, 21667590]

約数ペア:

[(1, 21667590), (2, 10833795), (3, 7222530), (5, 4333518), (6, 3611265), (7, 3095370), (9, 2407510), (10, 2166759), (14, 1547685), (15, 1444506), (18, 1203755), (21, 1031790), (30, 722253), (35, 619074), (42, 515895), (45, 481502), (63, 343930), (70, 309537), (90, 240751), (105, 206358), (126, 171965), (163, 132930), (210, 103179), (211, 102690), (315, 68786), (326, 66465), (422, 51345), (489, 44310), (630, 34393), (633, 34230), (815, 26586), (978, 22155), (1055, 20538), (1141, 18990), (1266, 17115), (1467, 14770), (1477, 14670), (1630, 13293), (1899, 11410), (2110, 10269), (2282, 9495), (2445, 8862), (2934, 7385), (2954, 7335), (3165, 6846), (3423, 6330), (3798, 5705), (4431, 4890)]