21582231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 34894848

約数和(自身を除く): 13312617

約数列:

[1, 3, 11, 17, 31, 33, 51, 73, 93, 187, 219, 289, 341, 527, 561, 803, 867, 1023, 1241, 1581, 2263, 2409, 3179, 3723, 5797, 6789, 8959, 9537, 13651, 17391, 21097, 24893, 26877, 38471, 40953, 63291, 74679, 98549, 115413, 232067, 295647, 423181, 654007, 696201, 1269543, 1962021, 7194077, 21582231]

約数ペア:

[(1, 21582231), (3, 7194077), (11, 1962021), (17, 1269543), (31, 696201), (33, 654007), (51, 423181), (73, 295647), (93, 232067), (187, 115413), (219, 98549), (289, 74679), (341, 63291), (527, 40953), (561, 38471), (803, 26877), (867, 24893), (1023, 21097), (1241, 17391), (1581, 13651), (2263, 9537), (2409, 8959), (3179, 6789), (3723, 5797)]