21332288

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 56

約数和(自身を含む): 45537120

約数和(自身を除く): 24204832

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 152, 212, 304, 331, 424, 608, 662, 848, 1007, 1216, 1324, 1696, 2014, 2648, 3392, 4028, 5296, 6289, 8056, 10592, 12578, 16112, 17543, 21184, 25156, 32224, 35086, 50312, 64448, 70172, 100624, 140344, 201248, 280688, 333317, 402496, 561376, 666634, 1122752, 1333268, 2666536, 5333072, 10666144, 21332288]

約数ペア:

[(1, 21332288), (2, 10666144), (4, 5333072), (8, 2666536), (16, 1333268), (19, 1122752), (32, 666634), (38, 561376), (53, 402496), (64, 333317), (76, 280688), (106, 201248), (152, 140344), (212, 100624), (304, 70172), (331, 64448), (424, 50312), (608, 35086), (662, 32224), (848, 25156), (1007, 21184), (1216, 17543), (1324, 16112), (1696, 12578), (2014, 10592), (2648, 8056), (3392, 6289), (4028, 5296)]