21549165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2141}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 38247552

約数和(自身を除く): 16698387

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 2013, 2141, 3355, 6423, 10065, 10705, 23551, 32115, 70653, 117755, 130601, 353265, 391803, 653005, 1436611, 1959015, 4309833, 7183055, 21549165]

約数ペア:

[(1, 21549165), (3, 7183055), (5, 4309833), (11, 1959015), (15, 1436611), (33, 653005), (55, 391803), (61, 353265), (165, 130601), (183, 117755), (305, 70653), (671, 32115), (915, 23551), (2013, 10705), (2141, 10065), (3355, 6423)]