21287106

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{929}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 49327200

約数和(自身を除く): 28040094

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 67, 114, 134, 171, 201, 342, 402, 603, 929, 1206, 1273, 1858, 2546, 2787, 3819, 5574, 7638, 8361, 11457, 16722, 17651, 22914, 35302, 52953, 62243, 105906, 124486, 158859, 186729, 317718, 373458, 560187, 1120374, 1182617, 2365234, 3547851, 7095702, 10643553, 21287106]

約数ペア:

[(1, 21287106), (2, 10643553), (3, 7095702), (6, 3547851), (9, 2365234), (18, 1182617), (19, 1120374), (38, 560187), (57, 373458), (67, 317718), (114, 186729), (134, 158859), (171, 124486), (201, 105906), (342, 62243), (402, 52953), (603, 35302), (929, 22914), (1206, 17651), (1273, 16722), (1858, 11457), (2546, 8361), (2787, 7638), (3819, 5574)]