21407932

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 46638592

約数和(自身を除く): 25230660

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 571, 721, 1142, 1339, 1442, 2284, 2678, 2884, 3997, 5356, 7423, 7994, 9373, 14846, 15988, 18746, 29692, 37492, 51961, 58813, 103922, 117626, 207844, 235252, 411691, 764569, 823382, 1529138, 1646764, 3058276, 5351983, 10703966, 21407932]

約数ペア:

[(1, 21407932), (2, 10703966), (4, 5351983), (7, 3058276), (13, 1646764), (14, 1529138), (26, 823382), (28, 764569), (52, 411691), (91, 235252), (103, 207844), (182, 117626), (206, 103922), (364, 58813), (412, 51961), (571, 37492), (721, 29692), (1142, 18746), (1339, 15988), (1442, 14846), (2284, 9373), (2678, 7994), (2884, 7423), (3997, 5356)]