21472605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6197}}^1$

素因数の和:6226

約数の個数: 48

約数和(自身を含む): 46410624

約数和(自身を除く): 24938019

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 6197, 18591, 30985, 43379, 55773, 68167, 92955, 130137, 204501, 216895, 278865, 340835, 390411, 477169, 613503, 650685, 1022505, 1431507, 1952055, 2385845, 3067515, 4294521, 7157535, 21472605]

約数ペア:

[(1, 21472605), (3, 7157535), (5, 4294521), (7, 3067515), (9, 2385845), (11, 1952055), (15, 1431507), (21, 1022505), (33, 650685), (35, 613503), (45, 477169), (55, 390411), (63, 340835), (77, 278865), (99, 216895), (105, 204501), (165, 130137), (231, 92955), (315, 68167), (385, 55773), (495, 43379), (693, 30985), (1155, 18591), (3465, 6197)]