21867768

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 43128072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 61, 72, 78, 104, 117, 122, 156, 183, 234, 244, 312, 366, 383, 468, 488, 549, 732, 766, 793, 936, 1098, 1149, 1464, 1532, 1586, 2196, 2298, 2379, 3064, 3172, 3447, 4392, 4596, 4758, 4979, 6344, 6894, 7137, 9192, 9516, 9958, 13788, 14274, 14937, 19032, 19916, 23363, 27576, 28548, 29874, 39832, 44811, 46726, 57096, 59748, 70089, 89622, 93452, 119496, 140178, 179244, 186904, 210267, 280356, 303719, 358488, 420534, 560712, 607438, 841068, 911157, 1214876, 1682136, 1822314, 2429752, 2733471, 3644628, 5466942, 7289256, 10933884, 21867768]

約数ペア:

[(1, 21867768), (2, 10933884), (3, 7289256), (4, 5466942), (6, 3644628), (8, 2733471), (9, 2429752), (12, 1822314), (13, 1682136), (18, 1214876), (24, 911157), (26, 841068), (36, 607438), (39, 560712), (52, 420534), (61, 358488), (72, 303719), (78, 280356), (104, 210267), (117, 186904), (122, 179244), (156, 140178), (183, 119496), (234, 93452), (244, 89622), (312, 70089), (366, 59748), (383, 57096), (468, 46726), (488, 44811), (549, 39832), (732, 29874), (766, 28548), (793, 27576), (936, 23363), (1098, 19916), (1149, 19032), (1464, 14937), (1532, 14274), (1586, 13788), (2196, 9958), (2298, 9516), (2379, 9192), (3064, 7137), (3172, 6894), (3447, 6344), (4392, 4979), (4596, 4758)]