21733720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28597}}^1$

素因数の和:28627

約数の個数: 32

約数和(自身を含む): 51476400

約数和(自身を除く): 29742680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28597, 57194, 114388, 142985, 228776, 285970, 543343, 571940, 1086686, 1143880, 2173372, 2716715, 4346744, 5433430, 10866860, 21733720]

約数ペア:

[(1, 21733720), (2, 10866860), (4, 5433430), (5, 4346744), (8, 2716715), (10, 2173372), (19, 1143880), (20, 1086686), (38, 571940), (40, 543343), (76, 285970), (95, 228776), (152, 142985), (190, 114388), (380, 57194), (760, 28597)]