21773325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 41822720

約数和(自身を除く): 20049395

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 67, 75, 105, 175, 201, 335, 469, 525, 619, 1005, 1407, 1675, 1857, 2345, 3095, 4333, 5025, 7035, 9285, 11725, 12999, 15475, 21665, 35175, 41473, 46425, 64995, 108325, 124419, 207365, 290311, 324975, 622095, 870933, 1036825, 1451555, 3110475, 4354665, 7257775, 21773325]

約数ペア:

[(1, 21773325), (3, 7257775), (5, 4354665), (7, 3110475), (15, 1451555), (21, 1036825), (25, 870933), (35, 622095), (67, 324975), (75, 290311), (105, 207365), (175, 124419), (201, 108325), (335, 64995), (469, 46425), (525, 41473), (619, 35175), (1005, 21665), (1407, 15475), (1675, 12999), (1857, 11725), (2345, 9285), (3095, 7035), (4333, 5025)]