21267090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 62657280

約数和(自身を除く): 41390190

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 73, 78, 83, 90, 117, 130, 135, 146, 166, 195, 219, 234, 249, 270, 351, 365, 390, 415, 438, 498, 585, 657, 702, 730, 747, 830, 949, 1079, 1095, 1170, 1245, 1314, 1494, 1755, 1898, 1971, 2158, 2190, 2241, 2490, 2847, 3237, 3285, 3510, 3735, 3942, 4482, 4745, 5395, 5694, 6059, 6474, 6570, 7470, 8541, 9490, 9711, 9855, 10790, 11205, 12118, 14235, 16185, 17082, 18177, 19422, 19710, 22410, 25623, 28470, 29133, 30295, 32370, 36354, 42705, 48555, 51246, 54531, 58266, 60590, 78767, 85410, 90885, 97110, 109062, 128115, 145665, 157534, 163593, 181770, 236301, 256230, 272655, 291330, 327186, 393835, 472602, 545310, 708903, 787670, 817965, 1181505, 1417806, 1635930, 2126709, 2363010, 3544515, 4253418, 7089030, 10633545, 21267090]

約数ペア:

[(1, 21267090), (2, 10633545), (3, 7089030), (5, 4253418), (6, 3544515), (9, 2363010), (10, 2126709), (13, 1635930), (15, 1417806), (18, 1181505), (26, 817965), (27, 787670), (30, 708903), (39, 545310), (45, 472602), (54, 393835), (65, 327186), (73, 291330), (78, 272655), (83, 256230), (90, 236301), (117, 181770), (130, 163593), (135, 157534), (146, 145665), (166, 128115), (195, 109062), (219, 97110), (234, 90885), (249, 85410), (270, 78767), (351, 60590), (365, 58266), (390, 54531), (415, 51246), (438, 48555), (498, 42705), (585, 36354), (657, 32370), (702, 30295), (730, 29133), (747, 28470), (830, 25623), (949, 22410), (1079, 19710), (1095, 19422), (1170, 18177), (1245, 17082), (1314, 16185), (1494, 14235), (1755, 12118), (1898, 11205), (1971, 10790), (2158, 9855), (2190, 9711), (2241, 9490), (2490, 8541), (2847, 7470), (3237, 6570), (3285, 6474), (3510, 6059), (3735, 5694), (3942, 5395), (4482, 4745)]