21211752

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 56347200

約数和(自身を除く): 35135448

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 181, 228, 257, 362, 456, 514, 543, 724, 771, 1028, 1086, 1448, 1542, 2056, 2172, 3084, 3439, 4344, 4883, 6168, 6878, 9766, 10317, 13756, 14649, 19532, 20634, 27512, 29298, 39064, 41268, 46517, 58596, 82536, 93034, 117192, 139551, 186068, 279102, 372136, 558204, 883823, 1116408, 1767646, 2651469, 3535292, 5302938, 7070584, 10605876, 21211752]

約数ペア:

[(1, 21211752), (2, 10605876), (3, 7070584), (4, 5302938), (6, 3535292), (8, 2651469), (12, 1767646), (19, 1116408), (24, 883823), (38, 558204), (57, 372136), (76, 279102), (114, 186068), (152, 139551), (181, 117192), (228, 93034), (257, 82536), (362, 58596), (456, 46517), (514, 41268), (543, 39064), (724, 29298), (771, 27512), (1028, 20634), (1086, 19532), (1448, 14649), (1542, 13756), (2056, 10317), (2172, 9766), (3084, 6878), (3439, 6168), (4344, 4883)]