21160965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10607}}^1$

素因数の和:10641

約数の個数: 32

約数和(自身を含む): 40734720

約数和(自身を除く): 19573755

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10607, 31821, 53035, 74249, 159105, 201533, 222747, 371245, 604599, 1007665, 1113735, 1410731, 3022995, 4232193, 7053655, 21160965]

約数ペア:

[(1, 21160965), (3, 7053655), (5, 4232193), (7, 3022995), (15, 1410731), (19, 1113735), (21, 1007665), (35, 604599), (57, 371245), (95, 222747), (105, 201533), (133, 159105), (285, 74249), (399, 53035), (665, 31821), (1995, 10607)]