21366972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 59754240

約数和(自身を除く): 38387268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 683, 711, 869, 948, 1366, 1422, 1738, 2049, 2607, 2732, 2844, 3476, 4098, 5214, 6147, 7513, 7821, 8196, 10428, 12294, 15026, 15642, 22539, 24588, 30052, 31284, 45078, 53957, 67617, 90156, 107914, 135234, 161871, 215828, 270468, 323742, 485613, 593527, 647484, 971226, 1187054, 1780581, 1942452, 2374108, 3561162, 5341743, 7122324, 10683486, 21366972]

約数ペア:

[(1, 21366972), (2, 10683486), (3, 7122324), (4, 5341743), (6, 3561162), (9, 2374108), (11, 1942452), (12, 1780581), (18, 1187054), (22, 971226), (33, 647484), (36, 593527), (44, 485613), (66, 323742), (79, 270468), (99, 215828), (132, 161871), (158, 135234), (198, 107914), (237, 90156), (316, 67617), (396, 53957), (474, 45078), (683, 31284), (711, 30052), (869, 24588), (948, 22539), (1366, 15642), (1422, 15026), (1738, 12294), (2049, 10428), (2607, 8196), (2732, 7821), (2844, 7513), (3476, 6147), (4098, 5214)]