21530300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 108

約数和(自身を含む): 54720456

約数和(自身を除く): 33190156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 37, 44, 46, 50, 55, 74, 92, 100, 110, 115, 148, 185, 220, 230, 253, 275, 370, 407, 460, 506, 529, 550, 575, 740, 814, 851, 925, 1012, 1058, 1100, 1150, 1265, 1628, 1702, 1850, 2035, 2116, 2300, 2530, 2645, 3404, 3700, 4070, 4255, 5060, 5290, 5819, 6325, 8140, 8510, 9361, 10175, 10580, 11638, 12650, 13225, 17020, 18722, 19573, 20350, 21275, 23276, 25300, 26450, 29095, 37444, 39146, 40700, 42550, 46805, 52900, 58190, 78292, 85100, 93610, 97865, 116380, 145475, 187220, 195730, 215303, 234025, 290950, 391460, 430606, 468050, 489325, 581900, 861212, 936100, 978650, 1076515, 1957300, 2153030, 4306060, 5382575, 10765150, 21530300]

約数ペア:

[(1, 21530300), (2, 10765150), (4, 5382575), (5, 4306060), (10, 2153030), (11, 1957300), (20, 1076515), (22, 978650), (23, 936100), (25, 861212), (37, 581900), (44, 489325), (46, 468050), (50, 430606), (55, 391460), (74, 290950), (92, 234025), (100, 215303), (110, 195730), (115, 187220), (148, 145475), (185, 116380), (220, 97865), (230, 93610), (253, 85100), (275, 78292), (370, 58190), (407, 52900), (460, 46805), (506, 42550), (529, 40700), (550, 39146), (575, 37444), (740, 29095), (814, 26450), (851, 25300), (925, 23276), (1012, 21275), (1058, 20350), (1100, 19573), (1150, 18722), (1265, 17020), (1628, 13225), (1702, 12650), (1850, 11638), (2035, 10580), (2116, 10175), (2300, 9361), (2530, 8510), (2645, 8140), (3404, 6325), (3700, 5819), (4070, 5290), (4255, 5060)]