21677463

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 34151040

約数和(自身を除く): 12473577

約数列:

[1, 3, 9, 27, 31, 81, 89, 93, 97, 267, 279, 291, 801, 837, 873, 2403, 2511, 2619, 2759, 3007, 7209, 7857, 8277, 8633, 9021, 24831, 25899, 27063, 74493, 77697, 81189, 223479, 233091, 243567, 267623, 699273, 802869, 2408607, 7225821, 21677463]

約数ペア:

[(1, 21677463), (3, 7225821), (9, 2408607), (27, 802869), (31, 699273), (81, 267623), (89, 243567), (93, 233091), (97, 223479), (267, 81189), (279, 77697), (291, 74493), (801, 27063), (837, 25899), (873, 24831), (2403, 9021), (2511, 8633), (2619, 8277), (2759, 7857), (3007, 7209)]