21532728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1913}}^1$

素因数の和:1996

約数の個数: 64

約数和(自身を含む): 62472960

約数和(自身を除く): 40940232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 67, 84, 134, 168, 201, 268, 402, 469, 536, 804, 938, 1407, 1608, 1876, 1913, 2814, 3752, 3826, 5628, 5739, 7652, 11256, 11478, 13391, 15304, 22956, 26782, 40173, 45912, 53564, 80346, 107128, 128171, 160692, 256342, 321384, 384513, 512684, 769026, 897197, 1025368, 1538052, 1794394, 2691591, 3076104, 3588788, 5383182, 7177576, 10766364, 21532728]

約数ペア:

[(1, 21532728), (2, 10766364), (3, 7177576), (4, 5383182), (6, 3588788), (7, 3076104), (8, 2691591), (12, 1794394), (14, 1538052), (21, 1025368), (24, 897197), (28, 769026), (42, 512684), (56, 384513), (67, 321384), (84, 256342), (134, 160692), (168, 128171), (201, 107128), (268, 80346), (402, 53564), (469, 45912), (536, 40173), (804, 26782), (938, 22956), (1407, 15304), (1608, 13391), (1876, 11478), (1913, 11256), (2814, 7652), (3752, 5739), (3826, 5628)]