21415716896

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^2\times {\mathrm{15319}}^1$

素因数の和:15494

約数の個数: 72

約数和(自身を含む): 48806210880

約数和(自身を除く): 27390493984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1106, 1264, 2212, 2528, 4424, 6241, 8848, 12482, 15319, 17696, 24964, 30638, 43687, 49928, 61276, 87374, 99856, 107233, 122552, 174748, 199712, 214466, 245104, 349496, 428932, 490208, 698992, 857864, 1210201, 1397984, 1715728, 2420402, 3431456, 4840804, 8471407, 9681608, 16942814, 19363216, 33885628, 38726432, 67771256, 95605879, 135542512, 191211758, 271085024, 382423516, 669241153, 764847032, 1338482306, 1529694064, 2676964612, 3059388128, 5353929224, 10707858448, 21415716896]

約数ペア:

[(1, 21415716896), (2, 10707858448), (4, 5353929224), (7, 3059388128), (8, 2676964612), (14, 1529694064), (16, 1338482306), (28, 764847032), (32, 669241153), (56, 382423516), (79, 271085024), (112, 191211758), (158, 135542512), (224, 95605879), (316, 67771256), (553, 38726432), (632, 33885628), (1106, 19363216), (1264, 16942814), (2212, 9681608), (2528, 8471407), (4424, 4840804), (6241, 3431456), (8848, 2420402), (12482, 1715728), (15319, 1397984), (17696, 1210201), (24964, 857864), (30638, 698992), (43687, 490208), (49928, 428932), (61276, 349496), (87374, 245104), (99856, 214466), (107233, 199712), (122552, 174748)]