21424248

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15661}}^1$

素因数の和:15692

約数の個数: 48

約数和(自身を含む): 61081800

約数和(自身を除く): 39657552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15661, 31322, 46983, 62644, 93966, 125288, 140949, 187932, 281898, 297559, 375864, 563796, 595118, 892677, 1127592, 1190236, 1785354, 2380472, 2678031, 3570708, 5356062, 7141416, 10712124, 21424248]

約数ペア:

[(1, 21424248), (2, 10712124), (3, 7141416), (4, 5356062), (6, 3570708), (8, 2678031), (9, 2380472), (12, 1785354), (18, 1190236), (19, 1127592), (24, 892677), (36, 595118), (38, 563796), (57, 375864), (72, 297559), (76, 281898), (114, 187932), (152, 140949), (171, 125288), (228, 93966), (342, 62644), (456, 46983), (684, 31322), (1368, 15661)]