21073603460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53359}}^1$

素因数の和:53426

約数の個数: 144

約数和(自身を含む): 57229240320

約数和(自身を除く): 36155636860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 403, 434, 455, 490, 620, 637, 806, 868, 910, 980, 1085, 1274, 1519, 1612, 1820, 2015, 2170, 2548, 2821, 3038, 3185, 4030, 4340, 5642, 6076, 6370, 7595, 8060, 11284, 12740, 14105, 15190, 19747, 28210, 30380, 39494, 53359, 56420, 78988, 98735, 106718, 197470, 213436, 266795, 373513, 394940, 533590, 693667, 747026, 1067180, 1387334, 1494052, 1654129, 1867565, 2614591, 2774668, 3308258, 3468335, 3735130, 4855669, 5229182, 6616516, 6936670, 7470260, 8270645, 9711338, 10458364, 11578903, 13072955, 13873340, 16541290, 19422676, 21503677, 23157806, 24278345, 26145910, 33082580, 33989683, 43007354, 46315612, 48556690, 52291820, 57894515, 67979366, 81052321, 86014708, 97113380, 107518385, 115789030, 135958732, 150525739, 162104642, 169948415, 215036770, 231578060, 301051478, 324209284, 339896830, 405261605, 430073540, 602102956, 679793660, 752628695, 810523210, 1053680173, 1505257390, 1621046420, 2107360346, 3010514780, 4214720692, 5268400865, 10536801730, 21073603460]

約数ペア:

[(1, 21073603460), (2, 10536801730), (4, 5268400865), (5, 4214720692), (7, 3010514780), (10, 2107360346), (13, 1621046420), (14, 1505257390), (20, 1053680173), (26, 810523210), (28, 752628695), (31, 679793660), (35, 602102956), (49, 430073540), (52, 405261605), (62, 339896830), (65, 324209284), (70, 301051478), (91, 231578060), (98, 215036770), (124, 169948415), (130, 162104642), (140, 150525739), (155, 135958732), (182, 115789030), (196, 107518385), (217, 97113380), (245, 86014708), (260, 81052321), (310, 67979366), (364, 57894515), (403, 52291820), (434, 48556690), (455, 46315612), (490, 43007354), (620, 33989683), (637, 33082580), (806, 26145910), (868, 24278345), (910, 23157806), (980, 21503677), (1085, 19422676), (1274, 16541290), (1519, 13873340), (1612, 13072955), (1820, 11578903), (2015, 10458364), (2170, 9711338), (2548, 8270645), (2821, 7470260), (3038, 6936670), (3185, 6616516), (4030, 5229182), (4340, 4855669), (5642, 3735130), (6076, 3468335), (6370, 3308258), (7595, 2774668), (8060, 2614591), (11284, 1867565), (12740, 1654129), (14105, 1494052), (15190, 1387334), (19747, 1067180), (28210, 747026), (30380, 693667), (39494, 533590), (53359, 394940), (56420, 373513), (78988, 266795), (98735, 213436), (106718, 197470)]