21397952

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17597}}^1$

素因数の和:17628

約数の個数: 28

約数和(自身を含む): 44698920

約数和(自身を除く): 23300968

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17597, 35194, 70388, 140776, 281552, 334343, 563104, 668686, 1126208, 1337372, 2674744, 5349488, 10698976, 21397952]

約数ペア:

[(1, 21397952), (2, 10698976), (4, 5349488), (8, 2674744), (16, 1337372), (19, 1126208), (32, 668686), (38, 563104), (64, 334343), (76, 281552), (152, 140776), (304, 70388), (608, 35194), (1216, 17597)]