21502408528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1741}}^1\times {\mathrm{40627}}^1$

素因数の和:42395

約数の個数: 40

約数和(自身を含む): 43879865120

約数和(自身を除く): 22377456592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1741, 3482, 6964, 13928, 27856, 33079, 40627, 66158, 81254, 132316, 162508, 264632, 325016, 529264, 650032, 771913, 1543826, 3087652, 6175304, 12350608, 70731607, 141463214, 282926428, 565852856, 1131705712, 1343900533, 2687801066, 5375602132, 10751204264, 21502408528]

約数ペア:

[(1, 21502408528), (2, 10751204264), (4, 5375602132), (8, 2687801066), (16, 1343900533), (19, 1131705712), (38, 565852856), (76, 282926428), (152, 141463214), (304, 70731607), (1741, 12350608), (3482, 6175304), (6964, 3087652), (13928, 1543826), (27856, 771913), (33079, 650032), (40627, 529264), (66158, 325016), (81254, 264632), (132316, 162508)]