21283740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 69346368

約数和(自身を除く): 48062628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 53, 60, 69, 90, 92, 97, 106, 115, 138, 159, 180, 194, 207, 212, 230, 265, 276, 291, 318, 345, 388, 414, 460, 477, 485, 530, 582, 636, 690, 795, 828, 873, 954, 970, 1035, 1060, 1164, 1219, 1380, 1455, 1590, 1746, 1908, 1940, 2070, 2231, 2385, 2438, 2910, 3180, 3492, 3657, 4140, 4365, 4462, 4770, 4876, 5141, 5820, 6095, 6693, 7314, 8730, 8924, 9540, 10282, 10971, 11155, 12190, 13386, 14628, 15423, 17460, 18285, 20079, 20564, 21942, 22310, 24380, 25705, 26772, 30846, 33465, 36570, 40158, 43884, 44620, 46269, 51410, 54855, 61692, 66930, 73140, 77115, 80316, 92538, 100395, 102820, 109710, 118243, 133860, 154230, 185076, 200790, 219420, 231345, 236486, 308460, 354729, 401580, 462690, 472972, 591215, 709458, 925380, 1064187, 1182430, 1418916, 1773645, 2128374, 2364860, 3547290, 4256748, 5320935, 7094580, 10641870, 21283740]

約数ペア:

[(1, 21283740), (2, 10641870), (3, 7094580), (4, 5320935), (5, 4256748), (6, 3547290), (9, 2364860), (10, 2128374), (12, 1773645), (15, 1418916), (18, 1182430), (20, 1064187), (23, 925380), (30, 709458), (36, 591215), (45, 472972), (46, 462690), (53, 401580), (60, 354729), (69, 308460), (90, 236486), (92, 231345), (97, 219420), (106, 200790), (115, 185076), (138, 154230), (159, 133860), (180, 118243), (194, 109710), (207, 102820), (212, 100395), (230, 92538), (265, 80316), (276, 77115), (291, 73140), (318, 66930), (345, 61692), (388, 54855), (414, 51410), (460, 46269), (477, 44620), (485, 43884), (530, 40158), (582, 36570), (636, 33465), (690, 30846), (795, 26772), (828, 25705), (873, 24380), (954, 22310), (970, 21942), (1035, 20564), (1060, 20079), (1164, 18285), (1219, 17460), (1380, 15423), (1455, 14628), (1590, 13386), (1746, 12190), (1908, 11155), (1940, 10971), (2070, 10282), (2231, 9540), (2385, 8924), (2438, 8730), (2910, 7314), (3180, 6693), (3492, 6095), (3657, 5820), (4140, 5141), (4365, 4876), (4462, 4770)]