21775980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 66419136

約数和(自身を除く): 44643156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 51, 60, 68, 74, 85, 102, 111, 148, 170, 185, 204, 222, 255, 340, 370, 444, 510, 555, 577, 629, 740, 1020, 1110, 1154, 1258, 1731, 1887, 2220, 2308, 2516, 2885, 3145, 3462, 3774, 5770, 6290, 6924, 7548, 8655, 9435, 9809, 11540, 12580, 17310, 18870, 19618, 21349, 29427, 34620, 37740, 39236, 42698, 49045, 58854, 64047, 85396, 98090, 106745, 117708, 128094, 147135, 196180, 213490, 256188, 294270, 320235, 362933, 426980, 588540, 640470, 725866, 1088799, 1280940, 1451732, 1814665, 2177598, 3629330, 4355196, 5443995, 7258660, 10887990, 21775980]

約数ペア:

[(1, 21775980), (2, 10887990), (3, 7258660), (4, 5443995), (5, 4355196), (6, 3629330), (10, 2177598), (12, 1814665), (15, 1451732), (17, 1280940), (20, 1088799), (30, 725866), (34, 640470), (37, 588540), (51, 426980), (60, 362933), (68, 320235), (74, 294270), (85, 256188), (102, 213490), (111, 196180), (148, 147135), (170, 128094), (185, 117708), (204, 106745), (222, 98090), (255, 85396), (340, 64047), (370, 58854), (444, 49045), (510, 42698), (555, 39236), (577, 37740), (629, 34620), (740, 29427), (1020, 21349), (1110, 19618), (1154, 18870), (1258, 17310), (1731, 12580), (1887, 11540), (2220, 9809), (2308, 9435), (2516, 8655), (2885, 7548), (3145, 6924), (3462, 6290), (3774, 5770)]