21177543840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{336793}}^1$

素因数の和:336942

約数の個数: 96

約数和(自身を含む): 67218693696

約数和(自身を除く): 46041149856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4192, 5240, 6288, 7860, 10480, 12576, 15720, 20960, 31440, 62880, 336793, 673586, 1010379, 1347172, 1683965, 2020758, 2694344, 3367930, 4041516, 5051895, 5388688, 6735860, 8083032, 10103790, 10777376, 13471720, 16166064, 20207580, 26943440, 32332128, 40415160, 44119883, 53886880, 80830320, 88239766, 132359649, 161660640, 176479532, 220599415, 264719298, 352959064, 441198830, 529438596, 661798245, 705918128, 882397660, 1058877192, 1323596490, 1411836256, 1764795320, 2117754384, 2647192980, 3529590640, 4235508768, 5294385960, 7059181280, 10588771920, 21177543840]

約数ペア:

[(1, 21177543840), (2, 10588771920), (3, 7059181280), (4, 5294385960), (5, 4235508768), (6, 3529590640), (8, 2647192980), (10, 2117754384), (12, 1764795320), (15, 1411836256), (16, 1323596490), (20, 1058877192), (24, 882397660), (30, 705918128), (32, 661798245), (40, 529438596), (48, 441198830), (60, 352959064), (80, 264719298), (96, 220599415), (120, 176479532), (131, 161660640), (160, 132359649), (240, 88239766), (262, 80830320), (393, 53886880), (480, 44119883), (524, 40415160), (655, 32332128), (786, 26943440), (1048, 20207580), (1310, 16166064), (1572, 13471720), (1965, 10777376), (2096, 10103790), (2620, 8083032), (3144, 6735860), (3930, 5388688), (4192, 5051895), (5240, 4041516), (6288, 3367930), (7860, 2694344), (10480, 2020758), (12576, 1683965), (15720, 1347172), (20960, 1010379), (31440, 673586), (62880, 336793)]