21019908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19249}}^1$

素因数の和:19276

約数の個数: 48

約数和(自身を含む): 60368000

約数和(自身を除く): 39348092

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19249, 38498, 57747, 76996, 115494, 134743, 230988, 250237, 269486, 404229, 500474, 538972, 750711, 808458, 1000948, 1501422, 1616916, 1751659, 3002844, 3503318, 5254977, 7006636, 10509954, 21019908]

約数ペア:

[(1, 21019908), (2, 10509954), (3, 7006636), (4, 5254977), (6, 3503318), (7, 3002844), (12, 1751659), (13, 1616916), (14, 1501422), (21, 1000948), (26, 808458), (28, 750711), (39, 538972), (42, 500474), (52, 404229), (78, 269486), (84, 250237), (91, 230988), (156, 134743), (182, 115494), (273, 76996), (364, 57747), (546, 38498), (1092, 19249)]