21144186

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 55978560

約数和(自身を除く): 34834374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 61, 63, 98, 122, 126, 131, 147, 183, 189, 262, 294, 366, 378, 393, 427, 441, 549, 786, 854, 882, 917, 1098, 1179, 1281, 1323, 1647, 1834, 2358, 2562, 2646, 2751, 2989, 3294, 3537, 3843, 5502, 5978, 6419, 7074, 7686, 7991, 8253, 8967, 11529, 12838, 15982, 16506, 17934, 19257, 23058, 23973, 24759, 26901, 38514, 47946, 49518, 53802, 55937, 57771, 71919, 80703, 111874, 115542, 143838, 161406, 167811, 173313, 215757, 335622, 346626, 391559, 431514, 503433, 783118, 1006866, 1174677, 1510299, 2349354, 3020598, 3524031, 7048062, 10572093, 21144186]

約数ペア:

[(1, 21144186), (2, 10572093), (3, 7048062), (6, 3524031), (7, 3020598), (9, 2349354), (14, 1510299), (18, 1174677), (21, 1006866), (27, 783118), (42, 503433), (49, 431514), (54, 391559), (61, 346626), (63, 335622), (98, 215757), (122, 173313), (126, 167811), (131, 161406), (147, 143838), (183, 115542), (189, 111874), (262, 80703), (294, 71919), (366, 57771), (378, 55937), (393, 53802), (427, 49518), (441, 47946), (549, 38514), (786, 26901), (854, 24759), (882, 23973), (917, 23058), (1098, 19257), (1179, 17934), (1281, 16506), (1323, 15982), (1647, 12838), (1834, 11529), (2358, 8967), (2562, 8253), (2646, 7991), (2751, 7686), (2989, 7074), (3294, 6419), (3537, 5978), (3843, 5502)]