21376943925

素因数分解:

$3^1\times 5^2\times {\mathrm{383}}^1\times {\mathrm{839}}^1\times {\mathrm{887}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 35517726720

約数和(自身を除く): 14140782795

約数列:

[1, 3, 5, 15, 25, 75, 383, 839, 887, 1149, 1915, 2517, 2661, 4195, 4435, 5745, 9575, 12585, 13305, 20975, 22175, 28725, 62925, 66525, 321337, 339721, 744193, 964011, 1019163, 1606685, 1698605, 2232579, 3720965, 4820055, 5095815, 8033425, 8493025, 11162895, 18604825, 24100275, 25479075, 55814475, 285025919, 855077757, 1425129595, 4275388785, 7125647975, 21376943925]

約数ペア:

[(1, 21376943925), (3, 7125647975), (5, 4275388785), (15, 1425129595), (25, 855077757), (75, 285025919), (383, 55814475), (839, 25479075), (887, 24100275), (1149, 18604825), (1915, 11162895), (2517, 8493025), (2661, 8033425), (4195, 5095815), (4435, 4820055), (5745, 3720965), (9575, 2232579), (12585, 1698605), (13305, 1606685), (20975, 1019163), (22175, 964011), (28725, 744193), (62925, 339721), (66525, 321337)]