21475170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6449}}^1$

素因数の和:6499

約数の個数: 48

約数和(自身を含む): 57353400

約数和(自身を除く): 35878230

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, 6449, 12898, 19347, 32245, 38694, 58041, 64490, 96735, 116082, 193470, 238613, 290205, 477226, 580410, 715839, 1193065, 1431678, 2147517, 2386130, 3579195, 4295034, 7158390, 10737585, 21475170]

約数ペア:

[(1, 21475170), (2, 10737585), (3, 7158390), (5, 4295034), (6, 3579195), (9, 2386130), (10, 2147517), (15, 1431678), (18, 1193065), (30, 715839), (37, 580410), (45, 477226), (74, 290205), (90, 238613), (111, 193470), (185, 116082), (222, 96735), (333, 64490), (370, 58041), (555, 38694), (666, 32245), (1110, 19347), (1665, 12898), (3330, 6449)]