21757171140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{15451}}^1\times {\mathrm{7823}}^1$

素因数の和:23289

約数の個数: 72

約数和(自身を含む): 66009460608

約数和(自身を除く): 44252289468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7823, 15451, 15646, 23469, 30902, 31292, 39115, 46353, 46938, 61804, 70407, 77255, 78230, 92706, 93876, 117345, 139059, 140814, 154510, 156460, 185412, 231765, 234690, 278118, 281628, 309020, 352035, 463530, 469380, 556236, 695295, 704070, 927060, 1390590, 1408140, 2781180, 120873173, 241746346, 362619519, 483492692, 604365865, 725239038, 1087858557, 1208731730, 1450478076, 1813097595, 2175717114, 2417463460, 3626195190, 4351434228, 5439292785, 7252390380, 10878585570, 21757171140]

約数ペア:

[(1, 21757171140), (2, 10878585570), (3, 7252390380), (4, 5439292785), (5, 4351434228), (6, 3626195190), (9, 2417463460), (10, 2175717114), (12, 1813097595), (15, 1450478076), (18, 1208731730), (20, 1087858557), (30, 725239038), (36, 604365865), (45, 483492692), (60, 362619519), (90, 241746346), (180, 120873173), (7823, 2781180), (15451, 1408140), (15646, 1390590), (23469, 927060), (30902, 704070), (31292, 695295), (39115, 556236), (46353, 469380), (46938, 463530), (61804, 352035), (70407, 309020), (77255, 281628), (78230, 278118), (92706, 234690), (93876, 231765), (117345, 185412), (139059, 156460), (140814, 154510)]