21044385735

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1\times {\mathrm{20359}}^1$

素因数の和:21007

約数の個数: 32

約数和(自身を含む): 33985889280

約数和(自身を除く): 12941503545

約数列:

[1, 3, 5, 15, 137, 411, 503, 685, 1509, 2055, 2515, 7545, 20359, 61077, 68911, 101795, 206733, 305385, 344555, 1033665, 2789183, 8367549, 10240577, 13945915, 30721731, 41837745, 51202885, 153608655, 1402959049, 4208877147, 7014795245, 21044385735]

約数ペア:

[(1, 21044385735), (3, 7014795245), (5, 4208877147), (15, 1402959049), (137, 153608655), (411, 51202885), (503, 41837745), (685, 30721731), (1509, 13945915), (2055, 10240577), (2515, 8367549), (7545, 2789183), (20359, 1033665), (61077, 344555), (68911, 305385), (101795, 206733)]