21369222

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{937}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 53263392

約数和(自身を除く): 31894170

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 181, 362, 543, 937, 1086, 1267, 1629, 1874, 2534, 2811, 3258, 3801, 5622, 6559, 7602, 8433, 11403, 13118, 16866, 19677, 22806, 39354, 59031, 118062, 169597, 339194, 508791, 1017582, 1187179, 1526373, 2374358, 3052746, 3561537, 7123074, 10684611, 21369222]

約数ペア:

[(1, 21369222), (2, 10684611), (3, 7123074), (6, 3561537), (7, 3052746), (9, 2374358), (14, 1526373), (18, 1187179), (21, 1017582), (42, 508791), (63, 339194), (126, 169597), (181, 118062), (362, 59031), (543, 39354), (937, 22806), (1086, 19677), (1267, 16866), (1629, 13118), (1874, 11403), (2534, 8433), (2811, 7602), (3258, 6559), (3801, 5622)]