21408512576

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{74717}}^1$

素因数の和:74788

約数の個数: 84

約数和(自身を含む): 47958346044

約数和(自身を除く): 26549833468

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 121, 148, 176, 242, 296, 352, 407, 484, 592, 704, 814, 968, 1184, 1628, 1936, 2368, 3256, 3872, 4477, 6512, 7744, 8954, 13024, 17908, 26048, 35816, 71632, 74717, 143264, 149434, 286528, 298868, 597736, 821887, 1195472, 1643774, 2390944, 2764529, 3287548, 4781888, 5529058, 6575096, 9040757, 11058116, 13150192, 18081514, 22116232, 26300384, 30409819, 36163028, 44232464, 52600768, 60819638, 72326056, 88464928, 121639276, 144652112, 176929856, 243278552, 289304224, 334508009, 486557104, 578608448, 669016018, 973114208, 1338032036, 1946228416, 2676064072, 5352128144, 10704256288, 21408512576]

約数ペア:

[(1, 21408512576), (2, 10704256288), (4, 5352128144), (8, 2676064072), (11, 1946228416), (16, 1338032036), (22, 973114208), (32, 669016018), (37, 578608448), (44, 486557104), (64, 334508009), (74, 289304224), (88, 243278552), (121, 176929856), (148, 144652112), (176, 121639276), (242, 88464928), (296, 72326056), (352, 60819638), (407, 52600768), (484, 44232464), (592, 36163028), (704, 30409819), (814, 26300384), (968, 22116232), (1184, 18081514), (1628, 13150192), (1936, 11058116), (2368, 9040757), (3256, 6575096), (3872, 5529058), (4477, 4781888), (6512, 3287548), (7744, 2764529), (8954, 2390944), (13024, 1643774), (17908, 1195472), (26048, 821887), (35816, 597736), (71632, 298868), (74717, 286528), (143264, 149434)]