21440898990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11344391}}^1$

素因数の和:11344414

約数の個数: 64

約数和(自身を含む): 65343697920

約数和(自身を除く): 43902798930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11344391, 22688782, 34033173, 56721955, 68066346, 79410737, 102099519, 113443910, 158821474, 170165865, 204199038, 238232211, 306298557, 340331730, 397053685, 476464422, 510497595, 612597114, 714696633, 794107370, 1020995190, 1191161055, 1429393266, 1531492785, 2144089899, 2382322110, 3062985570, 3573483165, 4288179798, 7146966330, 10720449495, 21440898990]

約数ペア:

[(1, 21440898990), (2, 10720449495), (3, 7146966330), (5, 4288179798), (6, 3573483165), (7, 3062985570), (9, 2382322110), (10, 2144089899), (14, 1531492785), (15, 1429393266), (18, 1191161055), (21, 1020995190), (27, 794107370), (30, 714696633), (35, 612597114), (42, 510497595), (45, 476464422), (54, 397053685), (63, 340331730), (70, 306298557), (90, 238232211), (105, 204199038), (126, 170165865), (135, 158821474), (189, 113443910), (210, 102099519), (270, 79410737), (315, 68066346), (378, 56721955), (630, 34033173), (945, 22688782), (1890, 11344391)]