21320850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7481}}^1$

素因数の和:7515

約数の個数: 48

約数和(自身を含む): 55666080

約数和(自身を除く): 34345230

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7481, 14962, 22443, 37405, 44886, 74810, 112215, 142139, 187025, 224430, 284278, 374050, 426417, 561075, 710695, 852834, 1122150, 1421390, 2132085, 3553475, 4264170, 7106950, 10660425, 21320850]

約数ペア:

[(1, 21320850), (2, 10660425), (3, 7106950), (5, 4264170), (6, 3553475), (10, 2132085), (15, 1421390), (19, 1122150), (25, 852834), (30, 710695), (38, 561075), (50, 426417), (57, 374050), (75, 284278), (95, 224430), (114, 187025), (150, 142139), (190, 112215), (285, 74810), (475, 44886), (570, 37405), (950, 22443), (1425, 14962), (2850, 7481)]