21380458944

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{276319}}^1$

素因数の和:276378

約数の個数: 112

約数和(自身を含む): 62886010880

約数和(自身を除く): 41505551936

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 312, 372, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1984, 2418, 2496, 2976, 3224, 4836, 5952, 6448, 9672, 12896, 19344, 25792, 38688, 77376, 276319, 552638, 828957, 1105276, 1657914, 2210552, 3315828, 3592147, 4421104, 6631656, 7184294, 8565889, 8842208, 10776441, 13263312, 14368588, 17131778, 17684416, 21552882, 25697667, 26526624, 28737176, 34263556, 43105764, 51395334, 53053248, 57474352, 68527112, 86211528, 102790668, 111356557, 114948704, 137054224, 172423056, 205581336, 222713114, 229897408, 274108448, 334069671, 344846112, 411162672, 445426228, 548216896, 668139342, 689692224, 822325344, 890852456, 1336278684, 1644650688, 1781704912, 2672557368, 3563409824, 5345114736, 7126819648, 10690229472, 21380458944]

約数ペア:

[(1, 21380458944), (2, 10690229472), (3, 7126819648), (4, 5345114736), (6, 3563409824), (8, 2672557368), (12, 1781704912), (13, 1644650688), (16, 1336278684), (24, 890852456), (26, 822325344), (31, 689692224), (32, 668139342), (39, 548216896), (48, 445426228), (52, 411162672), (62, 344846112), (64, 334069671), (78, 274108448), (93, 229897408), (96, 222713114), (104, 205581336), (124, 172423056), (156, 137054224), (186, 114948704), (192, 111356557), (208, 102790668), (248, 86211528), (312, 68527112), (372, 57474352), (403, 53053248), (416, 51395334), (496, 43105764), (624, 34263556), (744, 28737176), (806, 26526624), (832, 25697667), (992, 21552882), (1209, 17684416), (1248, 17131778), (1488, 14368588), (1612, 13263312), (1984, 10776441), (2418, 8842208), (2496, 8565889), (2976, 7184294), (3224, 6631656), (4836, 4421104), (5952, 3592147), (6448, 3315828), (9672, 2210552), (12896, 1657914), (19344, 1105276), (25792, 828957), (38688, 552638), (77376, 276319)]