21127658538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{81649}}^1$

素因数の和:81823

約数の個数: 64

約数和(自身を含む): 49570041600

約数和(自身を除く): 28442383062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 101, 122, 183, 202, 303, 366, 427, 606, 707, 854, 1281, 1414, 2121, 2562, 4242, 6161, 12322, 18483, 36966, 43127, 81649, 86254, 129381, 163298, 244947, 258762, 489894, 571543, 1143086, 1714629, 3429258, 4980589, 8246549, 9961178, 14941767, 16493098, 24739647, 29883534, 34864123, 49479294, 57725843, 69728246, 104592369, 115451686, 173177529, 209184738, 346355058, 503039489, 1006078978, 1509118467, 3018236934, 3521276423, 7042552846, 10563829269, 21127658538]

約数ペア:

[(1, 21127658538), (2, 10563829269), (3, 7042552846), (6, 3521276423), (7, 3018236934), (14, 1509118467), (21, 1006078978), (42, 503039489), (61, 346355058), (101, 209184738), (122, 173177529), (183, 115451686), (202, 104592369), (303, 69728246), (366, 57725843), (427, 49479294), (606, 34864123), (707, 29883534), (854, 24739647), (1281, 16493098), (1414, 14941767), (2121, 9961178), (2562, 8246549), (4242, 4980589), (6161, 3429258), (12322, 1714629), (18483, 1143086), (36966, 571543), (43127, 489894), (81649, 258762), (86254, 244947), (129381, 163298)]