21668675652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{128971}}^1$

素因数の和:129353

約数の個数: 72

約数和(自身を含む): 59151718080

約数和(自身を除く): 37483042428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 359, 468, 718, 1077, 1436, 2154, 3231, 4308, 4667, 6462, 9334, 12924, 14001, 18668, 28002, 42003, 56004, 84006, 128971, 168012, 257942, 386913, 515884, 773826, 1160739, 1547652, 1676623, 2321478, 3353246, 4642956, 5029869, 6706492, 10059738, 15089607, 20119476, 30179214, 46300589, 60358428, 92601178, 138901767, 185202356, 277803534, 416705301, 555607068, 601907657, 833410602, 1203815314, 1666821204, 1805722971, 2407630628, 3611445942, 5417168913, 7222891884, 10834337826, 21668675652]

約数ペア:

[(1, 21668675652), (2, 10834337826), (3, 7222891884), (4, 5417168913), (6, 3611445942), (9, 2407630628), (12, 1805722971), (13, 1666821204), (18, 1203815314), (26, 833410602), (36, 601907657), (39, 555607068), (52, 416705301), (78, 277803534), (117, 185202356), (156, 138901767), (234, 92601178), (359, 60358428), (468, 46300589), (718, 30179214), (1077, 20119476), (1436, 15089607), (2154, 10059738), (3231, 6706492), (4308, 5029869), (4667, 4642956), (6462, 3353246), (9334, 2321478), (12924, 1676623), (14001, 1547652), (18668, 1160739), (28002, 773826), (42003, 515884), (56004, 386913), (84006, 257942), (128971, 168012)]