21127173651

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{1049}}^1$

素因数の和:1433

約数の個数: 64

約数和(自身を含む): 32659200000

約数和(自身を除く): 11532026349

約数列:

[1, 3, 9, 27, 47, 59, 141, 177, 269, 423, 531, 807, 1049, 1269, 1593, 2421, 2773, 3147, 7263, 8319, 9441, 12643, 15871, 24957, 28323, 37929, 47613, 49303, 61891, 74871, 113787, 142839, 147909, 185673, 282181, 341361, 428517, 443727, 557019, 745937, 846543, 1331181, 1671057, 2237811, 2539629, 2908877, 6713433, 7618887, 8726631, 13262507, 16648679, 20140299, 26179893, 39787521, 49946037, 78539679, 119362563, 149838111, 358087689, 449514333, 782487913, 2347463739, 7042391217, 21127173651]

約数ペア:

[(1, 21127173651), (3, 7042391217), (9, 2347463739), (27, 782487913), (47, 449514333), (59, 358087689), (141, 149838111), (177, 119362563), (269, 78539679), (423, 49946037), (531, 39787521), (807, 26179893), (1049, 20140299), (1269, 16648679), (1593, 13262507), (2421, 8726631), (2773, 7618887), (3147, 6713433), (7263, 2908877), (8319, 2539629), (9441, 2237811), (12643, 1671057), (15871, 1331181), (24957, 846543), (28323, 745937), (37929, 557019), (47613, 443727), (49303, 428517), (61891, 341361), (74871, 282181), (113787, 185673), (142839, 147909)]