21535416

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{14243}}^1$

素因数の和:14265

約数の個数: 64

約数和(自身を含む): 68371200

約数和(自身を除く): 46835784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 14243, 28486, 42729, 56972, 85458, 99701, 113944, 128187, 170916, 199402, 256374, 299103, 341832, 384561, 398804, 512748, 598206, 769122, 797608, 897309, 1025496, 1196412, 1538244, 1794618, 2392824, 2691927, 3076488, 3589236, 5383854, 7178472, 10767708, 21535416]

約数ペア:

[(1, 21535416), (2, 10767708), (3, 7178472), (4, 5383854), (6, 3589236), (7, 3076488), (8, 2691927), (9, 2392824), (12, 1794618), (14, 1538244), (18, 1196412), (21, 1025496), (24, 897309), (27, 797608), (28, 769122), (36, 598206), (42, 512748), (54, 398804), (56, 384561), (63, 341832), (72, 299103), (84, 256374), (108, 199402), (126, 170916), (168, 128187), (189, 113944), (216, 99701), (252, 85458), (378, 56972), (504, 42729), (756, 28486), (1512, 14243)]