21552156

素因数分解:

$2^2\times 3^6\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 84

約数和(自身を含む): 59677800

約数和(自身を除く): 38125644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 389, 486, 513, 684, 729, 778, 972, 1026, 1167, 1458, 1539, 1556, 2052, 2334, 2916, 3078, 3501, 4617, 4668, 6156, 7002, 7391, 9234, 10503, 13851, 14004, 14782, 18468, 21006, 22173, 27702, 29564, 31509, 42012, 44346, 55404, 63018, 66519, 88692, 94527, 126036, 133038, 189054, 199557, 266076, 283581, 378108, 399114, 567162, 598671, 798228, 1134324, 1197342, 1796013, 2394684, 3592026, 5388039, 7184052, 10776078, 21552156]

約数ペア:

[(1, 21552156), (2, 10776078), (3, 7184052), (4, 5388039), (6, 3592026), (9, 2394684), (12, 1796013), (18, 1197342), (19, 1134324), (27, 798228), (36, 598671), (38, 567162), (54, 399114), (57, 378108), (76, 283581), (81, 266076), (108, 199557), (114, 189054), (162, 133038), (171, 126036), (228, 94527), (243, 88692), (324, 66519), (342, 63018), (389, 55404), (486, 44346), (513, 42012), (684, 31509), (729, 29564), (778, 27702), (972, 22173), (1026, 21006), (1167, 18468), (1458, 14782), (1539, 14004), (1556, 13851), (2052, 10503), (2334, 9234), (2916, 7391), (3078, 7002), (3501, 6156), (4617, 4668)]