21302010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6397}}^1$

素因数の和:6447

約数の個数: 48

約数和(自身を含む): 56891016

約数和(自身を除く): 35589006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6397, 12794, 19191, 31985, 38382, 57573, 63970, 95955, 115146, 191910, 236689, 287865, 473378, 575730, 710067, 1183445, 1420134, 2130201, 2366890, 3550335, 4260402, 7100670, 10651005, 21302010]

約数ペア:

[(1, 21302010), (2, 10651005), (3, 7100670), (5, 4260402), (6, 3550335), (9, 2366890), (10, 2130201), (15, 1420134), (18, 1183445), (30, 710067), (37, 575730), (45, 473378), (74, 287865), (90, 236689), (111, 191910), (185, 115146), (222, 95955), (333, 63970), (370, 57573), (555, 38382), (666, 31985), (1110, 19191), (1665, 12794), (3330, 6397)]