21370212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 57512000

約数和(自身を除く): 36141788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 157, 171, 199, 228, 314, 342, 398, 471, 597, 628, 684, 796, 942, 1194, 1413, 1791, 1884, 2388, 2826, 2983, 3582, 3781, 5652, 5966, 7164, 7562, 8949, 11343, 11932, 15124, 17898, 22686, 26847, 31243, 34029, 35796, 45372, 53694, 62486, 68058, 93729, 107388, 124972, 136116, 187458, 281187, 374916, 562374, 593617, 1124748, 1187234, 1780851, 2374468, 3561702, 5342553, 7123404, 10685106, 21370212]

約数ペア:

[(1, 21370212), (2, 10685106), (3, 7123404), (4, 5342553), (6, 3561702), (9, 2374468), (12, 1780851), (18, 1187234), (19, 1124748), (36, 593617), (38, 562374), (57, 374916), (76, 281187), (114, 187458), (157, 136116), (171, 124972), (199, 107388), (228, 93729), (314, 68058), (342, 62486), (398, 53694), (471, 45372), (597, 35796), (628, 34029), (684, 31243), (796, 26847), (942, 22686), (1194, 17898), (1413, 15124), (1791, 11932), (1884, 11343), (2388, 8949), (2826, 7562), (2983, 7164), (3582, 5966), (3781, 5652)]