21550871451

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{15493}}^1$

素因数の和:15843

約数の個数: 32

約数和(自身を含む): 30236355072

約数和(自身を除く): 8685483621

約数列:

[1, 3, 41, 43, 123, 129, 263, 789, 1763, 5289, 10783, 11309, 15493, 32349, 33927, 46479, 463669, 635213, 666199, 1391007, 1905639, 1998597, 4074659, 12223977, 27314159, 81942477, 167061019, 175210337, 501183057, 525631011, 7183623817, 21550871451]

約数ペア:

[(1, 21550871451), (3, 7183623817), (41, 525631011), (43, 501183057), (123, 175210337), (129, 167061019), (263, 81942477), (789, 27314159), (1763, 12223977), (5289, 4074659), (10783, 1998597), (11309, 1905639), (15493, 1391007), (32349, 666199), (33927, 635213), (46479, 463669)]