21432411

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 43568640

約数和(自身を除く): 22136229

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 61, 63, 77, 91, 99, 117, 143, 169, 183, 189, 231, 273, 297, 351, 427, 429, 507, 549, 671, 693, 793, 819, 1001, 1183, 1281, 1287, 1521, 1647, 1859, 2013, 2079, 2379, 2457, 3003, 3549, 3843, 3861, 4563, 4697, 5551, 5577, 6039, 7137, 8723, 9009, 10309, 10647, 11529, 13013, 14091, 16653, 16731, 18117, 21411, 26169, 27027, 30927, 31941, 39039, 42273, 49959, 50193, 61061, 72163, 78507, 92781, 113399, 117117, 126819, 149877, 183183, 216489, 235521, 278343, 340197, 351351, 549549, 649467, 793793, 1020591, 1648647, 1948401, 2381379, 3061773, 7144137, 21432411]

約数ペア:

[(1, 21432411), (3, 7144137), (7, 3061773), (9, 2381379), (11, 1948401), (13, 1648647), (21, 1020591), (27, 793793), (33, 649467), (39, 549549), (61, 351351), (63, 340197), (77, 278343), (91, 235521), (99, 216489), (117, 183183), (143, 149877), (169, 126819), (183, 117117), (189, 113399), (231, 92781), (273, 78507), (297, 72163), (351, 61061), (427, 50193), (429, 49959), (507, 42273), (549, 39039), (671, 31941), (693, 30927), (793, 27027), (819, 26169), (1001, 21411), (1183, 18117), (1281, 16731), (1287, 16653), (1521, 14091), (1647, 13013), (1859, 11529), (2013, 10647), (2079, 10309), (2379, 9009), (2457, 8723), (3003, 7137), (3549, 6039), (3843, 5577), (3861, 5551), (4563, 4697)]