21182130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6361}}^1$

素因数の和:6411

約数の個数: 48

約数和(自身を含む): 56570904

約数和(自身を除く): 35388774

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, 6361, 12722, 19083, 31805, 38166, 57249, 63610, 95415, 114498, 190830, 235357, 286245, 470714, 572490, 706071, 1176785, 1412142, 2118213, 2353570, 3530355, 4236426, 7060710, 10591065, 21182130]

約数ペア:

[(1, 21182130), (2, 10591065), (3, 7060710), (5, 4236426), (6, 3530355), (9, 2353570), (10, 2118213), (15, 1412142), (18, 1176785), (30, 706071), (37, 572490), (45, 470714), (74, 286245), (90, 235357), (111, 190830), (185, 114498), (222, 95415), (333, 63610), (370, 57249), (555, 38166), (666, 31805), (1110, 19083), (1665, 12722), (3330, 6361)]