21856926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40031}}^1$

素因数の和:40056

約数の個数: 32

約数和(自身を含む): 53803008

約数和(自身を除く): 31946082

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 40031, 80062, 120093, 240186, 280217, 520403, 560434, 840651, 1040806, 1561209, 1681302, 3122418, 3642821, 7285642, 10928463, 21856926]

約数ペア:

[(1, 21856926), (2, 10928463), (3, 7285642), (6, 3642821), (7, 3122418), (13, 1681302), (14, 1561209), (21, 1040806), (26, 840651), (39, 560434), (42, 520403), (78, 280217), (91, 240186), (182, 120093), (273, 80062), (546, 40031)]