21779586

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 50862240

約数和(自身を除く): 29082654

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1481, 1634, 2451, 2962, 4443, 4902, 7353, 8886, 13329, 14706, 26658, 28139, 56278, 63683, 84417, 127366, 168834, 191049, 253251, 382098, 506502, 573147, 1146294, 1209977, 2419954, 3629931, 7259862, 10889793, 21779586]

約数ペア:

[(1, 21779586), (2, 10889793), (3, 7259862), (6, 3629931), (9, 2419954), (18, 1209977), (19, 1146294), (38, 573147), (43, 506502), (57, 382098), (86, 253251), (114, 191049), (129, 168834), (171, 127366), (258, 84417), (342, 63683), (387, 56278), (774, 28139), (817, 26658), (1481, 14706), (1634, 13329), (2451, 8886), (2962, 7353), (4443, 4902)]