21894180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 77910336

約数和(自身を除く): 56016156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 677, 735, 770, 924, 980, 1078, 1155, 1354, 1470, 1540, 1617, 2031, 2156, 2310, 2695, 2708, 2940, 3234, 3385, 4062, 4620, 4739, 5390, 6468, 6770, 7447, 8085, 8124, 9478, 10155, 10780, 13540, 14217, 14894, 16170, 18956, 20310, 22341, 23695, 28434, 29788, 32340, 33173, 37235, 40620, 44682, 47390, 52129, 56868, 66346, 71085, 74470, 89364, 94780, 99519, 104258, 111705, 132692, 142170, 148940, 156387, 165865, 199038, 208516, 223410, 260645, 284340, 312774, 331730, 364903, 398076, 446820, 497595, 521290, 625548, 663460, 729806, 781935, 995190, 1042580, 1094709, 1459612, 1563870, 1824515, 1990380, 2189418, 3127740, 3649030, 4378836, 5473545, 7298060, 10947090, 21894180]

約数ペア:

[(1, 21894180), (2, 10947090), (3, 7298060), (4, 5473545), (5, 4378836), (6, 3649030), (7, 3127740), (10, 2189418), (11, 1990380), (12, 1824515), (14, 1563870), (15, 1459612), (20, 1094709), (21, 1042580), (22, 995190), (28, 781935), (30, 729806), (33, 663460), (35, 625548), (42, 521290), (44, 497595), (49, 446820), (55, 398076), (60, 364903), (66, 331730), (70, 312774), (77, 284340), (84, 260645), (98, 223410), (105, 208516), (110, 199038), (132, 165865), (140, 156387), (147, 148940), (154, 142170), (165, 132692), (196, 111705), (210, 104258), (220, 99519), (231, 94780), (245, 89364), (294, 74470), (308, 71085), (330, 66346), (385, 56868), (420, 52129), (462, 47390), (490, 44682), (539, 40620), (588, 37235), (660, 33173), (677, 32340), (735, 29788), (770, 28434), (924, 23695), (980, 22341), (1078, 20310), (1155, 18956), (1354, 16170), (1470, 14894), (1540, 14217), (1617, 13540), (2031, 10780), (2156, 10155), (2310, 9478), (2695, 8124), (2708, 8085), (2940, 7447), (3234, 6770), (3385, 6468), (4062, 5390), (4620, 4739)]