21290460984

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{244583}}^1$

素因数の和:244642

約数の個数: 128

約数和(自身を含む): 65744179200

約数和(自身を除く): 44453718216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 156, 186, 216, 234, 248, 279, 312, 351, 372, 403, 468, 558, 702, 744, 806, 837, 936, 1116, 1209, 1404, 1612, 1674, 2232, 2418, 2808, 3224, 3348, 3627, 4836, 6696, 7254, 9672, 10881, 14508, 21762, 29016, 43524, 87048, 244583, 489166, 733749, 978332, 1467498, 1956664, 2201247, 2934996, 3179579, 4402494, 5869992, 6359158, 6603741, 7582073, 8804988, 9538737, 12718316, 13207482, 15164146, 17609976, 19077474, 22746219, 25436632, 26414964, 28616211, 30328292, 38154948, 45492438, 52829928, 57232422, 60656584, 68238657, 76309896, 85848633, 90984876, 98566949, 114464844, 136477314, 171697266, 181969752, 197133898, 204715971, 228929688, 272954628, 295700847, 343394532, 394267796, 409431942, 545909256, 591401694, 686789064, 788535592, 818863884, 887102541, 1182803388, 1637727768, 1774205082, 2365606776, 2661307623, 3548410164, 5322615246, 7096820328, 10645230492, 21290460984]

約数ペア:

[(1, 21290460984), (2, 10645230492), (3, 7096820328), (4, 5322615246), (6, 3548410164), (8, 2661307623), (9, 2365606776), (12, 1774205082), (13, 1637727768), (18, 1182803388), (24, 887102541), (26, 818863884), (27, 788535592), (31, 686789064), (36, 591401694), (39, 545909256), (52, 409431942), (54, 394267796), (62, 343394532), (72, 295700847), (78, 272954628), (93, 228929688), (104, 204715971), (108, 197133898), (117, 181969752), (124, 171697266), (156, 136477314), (186, 114464844), (216, 98566949), (234, 90984876), (248, 85848633), (279, 76309896), (312, 68238657), (351, 60656584), (372, 57232422), (403, 52829928), (468, 45492438), (558, 38154948), (702, 30328292), (744, 28616211), (806, 26414964), (837, 25436632), (936, 22746219), (1116, 19077474), (1209, 17609976), (1404, 15164146), (1612, 13207482), (1674, 12718316), (2232, 9538737), (2418, 8804988), (2808, 7582073), (3224, 6603741), (3348, 6359158), (3627, 5869992), (4836, 4402494), (6696, 3179579), (7254, 2934996), (9672, 2201247), (10881, 1956664), (14508, 1467498), (21762, 978332), (29016, 733749), (43524, 489166), (87048, 244583)]