21837650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 21492910

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 127, 181, 190, 254, 362, 475, 635, 905, 950, 1270, 1810, 2413, 3175, 3439, 4525, 4826, 6350, 6878, 9050, 12065, 17195, 22987, 24130, 34390, 45974, 60325, 85975, 114935, 120650, 171950, 229870, 436753, 574675, 873506, 1149350, 2183765, 4367530, 10918825, 21837650]

約数ペア:

[(1, 21837650), (2, 10918825), (5, 4367530), (10, 2183765), (19, 1149350), (25, 873506), (38, 574675), (50, 436753), (95, 229870), (127, 171950), (181, 120650), (190, 114935), (254, 85975), (362, 60325), (475, 45974), (635, 34390), (905, 24130), (950, 22987), (1270, 17195), (1810, 12065), (2413, 9050), (3175, 6878), (3439, 6350), (4525, 4826)]