21288096

素因数分解:

$2^5\times 3^4\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:256

約数の個数: 120

約数和(自身を含む): 64399104

約数和(自身を除く): 43111008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 191, 216, 258, 288, 324, 344, 382, 387, 432, 516, 573, 648, 688, 764, 774, 864, 1032, 1146, 1161, 1296, 1376, 1528, 1548, 1719, 2064, 2292, 2322, 2592, 3056, 3096, 3438, 3483, 4128, 4584, 4644, 5157, 6112, 6192, 6876, 6966, 8213, 9168, 9288, 10314, 12384, 13752, 13932, 15471, 16426, 18336, 18576, 20628, 24639, 27504, 27864, 30942, 32852, 37152, 41256, 49278, 55008, 55728, 61884, 65704, 73917, 82512, 98556, 111456, 123768, 131408, 147834, 165024, 197112, 221751, 247536, 262816, 295668, 394224, 443502, 495072, 591336, 665253, 788448, 887004, 1182672, 1330506, 1774008, 2365344, 2661012, 3548016, 5322024, 7096032, 10644048, 21288096]

約数ペア:

[(1, 21288096), (2, 10644048), (3, 7096032), (4, 5322024), (6, 3548016), (8, 2661012), (9, 2365344), (12, 1774008), (16, 1330506), (18, 1182672), (24, 887004), (27, 788448), (32, 665253), (36, 591336), (43, 495072), (48, 443502), (54, 394224), (72, 295668), (81, 262816), (86, 247536), (96, 221751), (108, 197112), (129, 165024), (144, 147834), (162, 131408), (172, 123768), (191, 111456), (216, 98556), (258, 82512), (288, 73917), (324, 65704), (344, 61884), (382, 55728), (387, 55008), (432, 49278), (516, 41256), (573, 37152), (648, 32852), (688, 30942), (764, 27864), (774, 27504), (864, 24639), (1032, 20628), (1146, 18576), (1161, 18336), (1296, 16426), (1376, 15471), (1528, 13932), (1548, 13752), (1719, 12384), (2064, 10314), (2292, 9288), (2322, 9168), (2592, 8213), (3056, 6966), (3096, 6876), (3438, 6192), (3483, 6112), (4128, 5157), (4584, 4644)]