21187652248

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19913207}}^1$

素因数の和:19913239

約数の個数: 32

約数和(自身を含む): 47791699200

約数和(自身を除く): 26604046952

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19913207, 39826414, 79652828, 139392449, 159305656, 278784898, 378350933, 557569796, 756701866, 1115139592, 1513403732, 2648456531, 3026807464, 5296913062, 10593826124, 21187652248]

約数ペア:

[(1, 21187652248), (2, 10593826124), (4, 5296913062), (7, 3026807464), (8, 2648456531), (14, 1513403732), (19, 1115139592), (28, 756701866), (38, 557569796), (56, 378350933), (76, 278784898), (133, 159305656), (152, 139392449), (266, 79652828), (532, 39826414), (1064, 19913207)]