21533358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 54263808

約数和(自身を除く): 32730450

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 127, 154, 231, 254, 367, 381, 462, 734, 762, 889, 1101, 1397, 1778, 2202, 2569, 2667, 2794, 4037, 4191, 5138, 5334, 7707, 8074, 8382, 9779, 12111, 15414, 19558, 24222, 28259, 29337, 46609, 56518, 58674, 84777, 93218, 139827, 169554, 279654, 326263, 512699, 652526, 978789, 1025398, 1538097, 1957578, 3076194, 3588893, 7177786, 10766679, 21533358]

約数ペア:

[(1, 21533358), (2, 10766679), (3, 7177786), (6, 3588893), (7, 3076194), (11, 1957578), (14, 1538097), (21, 1025398), (22, 978789), (33, 652526), (42, 512699), (66, 326263), (77, 279654), (127, 169554), (154, 139827), (231, 93218), (254, 84777), (367, 58674), (381, 56518), (462, 46609), (734, 29337), (762, 28259), (889, 24222), (1101, 19558), (1397, 15414), (1778, 12111), (2202, 9779), (2569, 8382), (2667, 8074), (2794, 7707), (4037, 5334), (4191, 5138)]