21949380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:835

約数の個数: 120

約数和(自身を含む): 72997848

約数和(自身を除く): 51048468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 797, 810, 918, 1020, 1377, 1530, 1594, 1620, 1836, 2295, 2391, 2754, 3060, 3188, 3985, 4590, 4782, 5508, 6885, 7173, 7970, 9180, 9564, 11955, 13549, 13770, 14346, 15940, 21519, 23910, 27098, 27540, 28692, 35865, 40647, 43038, 47820, 54196, 64557, 67745, 71730, 81294, 86076, 107595, 121941, 129114, 135490, 143460, 162588, 203235, 215190, 243882, 258228, 270980, 322785, 365823, 406470, 430380, 487764, 609705, 645570, 731646, 812940, 1097469, 1219410, 1291140, 1463292, 1829115, 2194938, 2438820, 3658230, 4389876, 5487345, 7316460, 10974690, 21949380]

約数ペア:

[(1, 21949380), (2, 10974690), (3, 7316460), (4, 5487345), (5, 4389876), (6, 3658230), (9, 2438820), (10, 2194938), (12, 1829115), (15, 1463292), (17, 1291140), (18, 1219410), (20, 1097469), (27, 812940), (30, 731646), (34, 645570), (36, 609705), (45, 487764), (51, 430380), (54, 406470), (60, 365823), (68, 322785), (81, 270980), (85, 258228), (90, 243882), (102, 215190), (108, 203235), (135, 162588), (153, 143460), (162, 135490), (170, 129114), (180, 121941), (204, 107595), (255, 86076), (270, 81294), (306, 71730), (324, 67745), (340, 64557), (405, 54196), (459, 47820), (510, 43038), (540, 40647), (612, 35865), (765, 28692), (797, 27540), (810, 27098), (918, 23910), (1020, 21519), (1377, 15940), (1530, 14346), (1594, 13770), (1620, 13549), (1836, 11955), (2295, 9564), (2391, 9180), (2754, 7970), (3060, 7173), (3188, 6885), (3985, 5508), (4590, 4782)]