21796830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 43521570

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 41, 45, 54, 55, 66, 82, 90, 99, 110, 123, 135, 165, 179, 198, 205, 246, 270, 297, 330, 358, 369, 410, 451, 495, 537, 594, 615, 738, 895, 902, 990, 1074, 1107, 1230, 1353, 1485, 1611, 1790, 1845, 1969, 2214, 2255, 2685, 2706, 2970, 3222, 3690, 3938, 4059, 4510, 4833, 5370, 5535, 5907, 6765, 7339, 8055, 8118, 9666, 9845, 11070, 11814, 12177, 13530, 14678, 16110, 17721, 19690, 20295, 22017, 24165, 24354, 29535, 35442, 36695, 40590, 44034, 48330, 53163, 59070, 60885, 66051, 73390, 80729, 88605, 106326, 110085, 121770, 132102, 161458, 177210, 198153, 220170, 242187, 265815, 330255, 396306, 403645, 484374, 531630, 660510, 726561, 807290, 990765, 1210935, 1453122, 1981530, 2179683, 2421870, 3632805, 4359366, 7265610, 10898415, 21796830]

約数ペア:

[(1, 21796830), (2, 10898415), (3, 7265610), (5, 4359366), (6, 3632805), (9, 2421870), (10, 2179683), (11, 1981530), (15, 1453122), (18, 1210935), (22, 990765), (27, 807290), (30, 726561), (33, 660510), (41, 531630), (45, 484374), (54, 403645), (55, 396306), (66, 330255), (82, 265815), (90, 242187), (99, 220170), (110, 198153), (123, 177210), (135, 161458), (165, 132102), (179, 121770), (198, 110085), (205, 106326), (246, 88605), (270, 80729), (297, 73390), (330, 66051), (358, 60885), (369, 59070), (410, 53163), (451, 48330), (495, 44034), (537, 40590), (594, 36695), (615, 35442), (738, 29535), (895, 24354), (902, 24165), (990, 22017), (1074, 20295), (1107, 19690), (1230, 17721), (1353, 16110), (1485, 14678), (1611, 13530), (1790, 12177), (1845, 11814), (1969, 11070), (2214, 9845), (2255, 9666), (2685, 8118), (2706, 8055), (2970, 7339), (3222, 6765), (3690, 5907), (3938, 5535), (4059, 5370), (4510, 4833)]