21291266100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1669}}^1\times {\mathrm{3271}}^1$

素因数の和:4970

約数の個数: 144

約数和(自身を含む): 66401444480

約数和(自身を除く): 45110178380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1669, 1950, 3271, 3338, 3900, 5007, 6542, 6676, 8345, 9813, 10014, 13084, 16355, 16690, 19626, 20028, 21697, 25035, 32710, 33380, 39252, 41725, 42523, 43394, 49065, 50070, 65091, 65420, 81775, 83450, 85046, 86788, 98130, 100140, 108485, 125175, 127569, 130182, 163550, 166900, 170092, 196260, 212615, 216970, 245325, 250350, 255138, 260364, 325455, 327100, 425230, 433940, 490650, 500700, 510276, 542425, 637845, 650910, 850460, 981300, 1063075, 1084850, 1275690, 1301820, 1627275, 2126150, 2169700, 2551380, 3189225, 3254550, 4252300, 5459299, 6378450, 6509100, 10918598, 12756900, 16377897, 21837196, 27296495, 32755794, 54592990, 65511588, 70970887, 81889485, 109185980, 136482475, 141941774, 163778970, 212912661, 272964950, 283883548, 327557940, 354854435, 409447425, 425825322, 545929900, 709708870, 818894850, 851650644, 1064563305, 1419417740, 1637789700, 1774272175, 2129126610, 3548544350, 4258253220, 5322816525, 7097088700, 10645633050, 21291266100]

約数ペア:

[(1, 21291266100), (2, 10645633050), (3, 7097088700), (4, 5322816525), (5, 4258253220), (6, 3548544350), (10, 2129126610), (12, 1774272175), (13, 1637789700), (15, 1419417740), (20, 1064563305), (25, 851650644), (26, 818894850), (30, 709708870), (39, 545929900), (50, 425825322), (52, 409447425), (60, 354854435), (65, 327557940), (75, 283883548), (78, 272964950), (100, 212912661), (130, 163778970), (150, 141941774), (156, 136482475), (195, 109185980), (260, 81889485), (300, 70970887), (325, 65511588), (390, 54592990), (650, 32755794), (780, 27296495), (975, 21837196), (1300, 16377897), (1669, 12756900), (1950, 10918598), (3271, 6509100), (3338, 6378450), (3900, 5459299), (5007, 4252300), (6542, 3254550), (6676, 3189225), (8345, 2551380), (9813, 2169700), (10014, 2126150), (13084, 1627275), (16355, 1301820), (16690, 1275690), (19626, 1084850), (20028, 1063075), (21697, 981300), (25035, 850460), (32710, 650910), (33380, 637845), (39252, 542425), (41725, 510276), (42523, 500700), (43394, 490650), (49065, 433940), (50070, 425230), (65091, 327100), (65420, 325455), (81775, 260364), (83450, 255138), (85046, 250350), (86788, 245325), (98130, 216970), (100140, 212615), (108485, 196260), (125175, 170092), (127569, 166900), (130182, 163550)]