21136444679

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{3019}}^1$

素因数の和:3359

約数の個数: 32

約数和(自身を含む): 24986465280

約数和(自身を除く): 3850020601

約数列:

[1, 7, 53, 113, 167, 371, 791, 1169, 3019, 5989, 8851, 18871, 21133, 41923, 61957, 132097, 160007, 341147, 504173, 1000163, 1120049, 2388029, 3529211, 7001141, 18080791, 26721169, 56971549, 126565537, 187048183, 398800843, 3019492097, 21136444679]

約数ペア:

[(1, 21136444679), (7, 3019492097), (53, 398800843), (113, 187048183), (167, 126565537), (371, 56971549), (791, 26721169), (1169, 18080791), (3019, 7001141), (5989, 3529211), (8851, 2388029), (18871, 1120049), (21133, 1000163), (41923, 504173), (61957, 341147), (132097, 160007)]