21842784

素因数分解:

$2^5\times 3^5\times {\mathrm{53}}^2$

素因数の和:131

約数の個数: 108

約数和(自身を含む): 65654316

約数和(自身を除く): 43811532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 72, 81, 96, 106, 108, 144, 159, 162, 212, 216, 243, 288, 318, 324, 424, 432, 477, 486, 636, 648, 848, 864, 954, 972, 1272, 1296, 1431, 1696, 1908, 1944, 2544, 2592, 2809, 2862, 3816, 3888, 4293, 5088, 5618, 5724, 7632, 7776, 8427, 8586, 11236, 11448, 12879, 15264, 16854, 17172, 22472, 22896, 25281, 25758, 33708, 34344, 44944, 45792, 50562, 51516, 67416, 68688, 75843, 89888, 101124, 103032, 134832, 137376, 151686, 202248, 206064, 227529, 269664, 303372, 404496, 412128, 455058, 606744, 682587, 808992, 910116, 1213488, 1365174, 1820232, 2426976, 2730348, 3640464, 5460696, 7280928, 10921392, 21842784]

約数ペア:

[(1, 21842784), (2, 10921392), (3, 7280928), (4, 5460696), (6, 3640464), (8, 2730348), (9, 2426976), (12, 1820232), (16, 1365174), (18, 1213488), (24, 910116), (27, 808992), (32, 682587), (36, 606744), (48, 455058), (53, 412128), (54, 404496), (72, 303372), (81, 269664), (96, 227529), (106, 206064), (108, 202248), (144, 151686), (159, 137376), (162, 134832), (212, 103032), (216, 101124), (243, 89888), (288, 75843), (318, 68688), (324, 67416), (424, 51516), (432, 50562), (477, 45792), (486, 44944), (636, 34344), (648, 33708), (848, 25758), (864, 25281), (954, 22896), (972, 22472), (1272, 17172), (1296, 16854), (1431, 15264), (1696, 12879), (1908, 11448), (1944, 11236), (2544, 8586), (2592, 8427), (2809, 7776), (2862, 7632), (3816, 5724), (3888, 5618), (4293, 5088)]