21451065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 36239616

約数和(自身を除く): 14788551

約数列:

[1, 3, 5, 15, 23, 69, 97, 115, 291, 345, 485, 641, 1455, 1923, 2231, 3205, 6693, 9615, 11155, 14743, 33465, 44229, 62177, 73715, 186531, 221145, 310885, 932655, 1430071, 4290213, 7150355, 21451065]

約数ペア:

[(1, 21451065), (3, 7150355), (5, 4290213), (15, 1430071), (23, 932655), (69, 310885), (97, 221145), (115, 186531), (291, 73715), (345, 62177), (485, 44229), (641, 33465), (1455, 14743), (1923, 11155), (2231, 9615), (3205, 6693)]