13021.000000

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 1915200

約数和(自身を除く): 1009876

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 149, 196, 217, 298, 434, 596, 868, 1043, 1519, 2086, 3038, 4172, 4619, 6076, 7301, 9238, 14602, 18476, 29204, 32333, 64666, 129332, 226331, 452662, 905324]

約数ペア:

[(1, 905324), (2, 452662), (4, 226331), (7, 129332), (14, 64666), (28, 32333), (31, 29204), (49, 18476), (62, 14602), (98, 9238), (124, 7301), (149, 6076), (196, 4619), (217, 4172), (298, 3038), (434, 2086), (596, 1519), (868, 1043)]