21907908

素因数分解:

$2^2\times 3^6\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:716

約数の個数: 84

約数和(自身を含む): 62799408

約数和(自身を除く): 40891500

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 683, 729, 891, 972, 1188, 1366, 1458, 1782, 2049, 2673, 2732, 2916, 3564, 4098, 5346, 6147, 7513, 8019, 8196, 10692, 12294, 15026, 16038, 18441, 22539, 24588, 30052, 32076, 36882, 45078, 55323, 67617, 73764, 90156, 110646, 135234, 165969, 202851, 221292, 270468, 331938, 405702, 497907, 608553, 663876, 811404, 995814, 1217106, 1825659, 1991628, 2434212, 3651318, 5476977, 7302636, 10953954, 21907908]

約数ペア:

[(1, 21907908), (2, 10953954), (3, 7302636), (4, 5476977), (6, 3651318), (9, 2434212), (11, 1991628), (12, 1825659), (18, 1217106), (22, 995814), (27, 811404), (33, 663876), (36, 608553), (44, 497907), (54, 405702), (66, 331938), (81, 270468), (99, 221292), (108, 202851), (132, 165969), (162, 135234), (198, 110646), (243, 90156), (297, 73764), (324, 67617), (396, 55323), (486, 45078), (594, 36882), (683, 32076), (729, 30052), (891, 24588), (972, 22539), (1188, 18441), (1366, 16038), (1458, 15026), (1782, 12294), (2049, 10692), (2673, 8196), (2732, 8019), (2916, 7513), (3564, 6147), (4098, 5346)]