21685300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2417

約数の個数: 72

約数和(自身を含む): 57940736

約数和(自身を除く): 36255436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 2383, 4550, 4766, 9100, 9532, 11915, 16681, 23830, 30979, 33362, 47660, 59575, 61958, 66724, 83405, 119150, 123916, 154895, 166810, 216853, 238300, 309790, 333620, 417025, 433706, 619580, 774475, 834050, 867412, 1084265, 1548950, 1668100, 2168530, 3097900, 4337060, 5421325, 10842650, 21685300]

約数ペア:

[(1, 21685300), (2, 10842650), (4, 5421325), (5, 4337060), (7, 3097900), (10, 2168530), (13, 1668100), (14, 1548950), (20, 1084265), (25, 867412), (26, 834050), (28, 774475), (35, 619580), (50, 433706), (52, 417025), (65, 333620), (70, 309790), (91, 238300), (100, 216853), (130, 166810), (140, 154895), (175, 123916), (182, 119150), (260, 83405), (325, 66724), (350, 61958), (364, 59575), (455, 47660), (650, 33362), (700, 30979), (910, 23830), (1300, 16681), (1820, 11915), (2275, 9532), (2383, 9100), (4550, 4766)]