21914235

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{953}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 44051904

約数和(自身を除く): 22137669

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 953, 1095, 1533, 2555, 2859, 3285, 4599, 4765, 6671, 7665, 8577, 14295, 20013, 22995, 33355, 42885, 60039, 69569, 100065, 208707, 300195, 347845, 486983, 626121, 1043535, 1460949, 2434915, 3130605, 4382847, 7304745, 21914235]

約数ペア:

[(1, 21914235), (3, 7304745), (5, 4382847), (7, 3130605), (9, 2434915), (15, 1460949), (21, 1043535), (35, 626121), (45, 486983), (63, 347845), (73, 300195), (105, 208707), (219, 100065), (315, 69569), (365, 60039), (511, 42885), (657, 33355), (953, 22995), (1095, 20013), (1533, 14295), (2555, 8577), (2859, 7665), (3285, 6671), (4599, 4765)]