21242208

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17021}}^1$

素因数の和:17047

約数の個数: 48

約数和(自身を含む): 60053616

約数和(自身を除く): 38811408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17021, 34042, 51063, 68084, 102126, 136168, 204252, 221273, 272336, 408504, 442546, 544672, 663819, 817008, 885092, 1327638, 1634016, 1770184, 2655276, 3540368, 5310552, 7080736, 10621104, 21242208]

約数ペア:

[(1, 21242208), (2, 10621104), (3, 7080736), (4, 5310552), (6, 3540368), (8, 2655276), (12, 1770184), (13, 1634016), (16, 1327638), (24, 885092), (26, 817008), (32, 663819), (39, 544672), (48, 442546), (52, 408504), (78, 272336), (96, 221273), (104, 204252), (156, 136168), (208, 102126), (312, 68084), (416, 51063), (624, 34042), (1248, 17021)]