21000634470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{11519}}^1$

素因数の和:12010

約数の個数: 96

約数和(自身を含む): 55897620480

約数和(自身を除く): 34896986010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 431, 470, 705, 846, 862, 1293, 1410, 2115, 2155, 2586, 3879, 4230, 4310, 6465, 7758, 11519, 12930, 19395, 20257, 23038, 34557, 38790, 40514, 57595, 60771, 69114, 101285, 103671, 115190, 121542, 172785, 182313, 202570, 207342, 303855, 345570, 364626, 518355, 541393, 607710, 911565, 1036710, 1082786, 1624179, 1823130, 2706965, 3248358, 4872537, 4964689, 5413930, 8120895, 9745074, 9929378, 14894067, 16241790, 24362685, 24823445, 29788134, 44682201, 48725370, 49646890, 74470335, 89364402, 148940670, 223411005, 233340383, 446822010, 466680766, 700021149, 1166701915, 1400042298, 2100063447, 2333403830, 3500105745, 4200126894, 7000211490, 10500317235, 21000634470]

約数ペア:

[(1, 21000634470), (2, 10500317235), (3, 7000211490), (5, 4200126894), (6, 3500105745), (9, 2333403830), (10, 2100063447), (15, 1400042298), (18, 1166701915), (30, 700021149), (45, 466680766), (47, 446822010), (90, 233340383), (94, 223411005), (141, 148940670), (235, 89364402), (282, 74470335), (423, 49646890), (431, 48725370), (470, 44682201), (705, 29788134), (846, 24823445), (862, 24362685), (1293, 16241790), (1410, 14894067), (2115, 9929378), (2155, 9745074), (2586, 8120895), (3879, 5413930), (4230, 4964689), (4310, 4872537), (6465, 3248358), (7758, 2706965), (11519, 1823130), (12930, 1624179), (19395, 1082786), (20257, 1036710), (23038, 911565), (34557, 607710), (38790, 541393), (40514, 518355), (57595, 364626), (60771, 345570), (69114, 303855), (101285, 207342), (103671, 202570), (115190, 182313), (121542, 172785)]