21900979590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{5839}}^1$

素因数の和:6246

約数の個数: 128

約数和(自身を含む): 61396807680

約数和(自身を除く): 39495828090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 337, 371, 530, 674, 742, 795, 1011, 1113, 1590, 1685, 1855, 2022, 2226, 2359, 3370, 3710, 4718, 5055, 5565, 5839, 7077, 10110, 11130, 11678, 11795, 14154, 17517, 17861, 23590, 29195, 35034, 35385, 35722, 40873, 53583, 58390, 70770, 81746, 87585, 89305, 107166, 122619, 125027, 175170, 178610, 204365, 245238, 250054, 267915, 309467, 375081, 408730, 535830, 613095, 618934, 625135, 750162, 928401, 1226190, 1250270, 1547335, 1856802, 1875405, 1967743, 2166269, 3094670, 3750810, 3935486, 4332538, 4642005, 5903229, 6498807, 9284010, 9838715, 10831345, 11806458, 12997614, 13774201, 19677430, 21662690, 27548402, 29516145, 32494035, 41322603, 59032290, 64988070, 68871005, 82645206, 104290379, 137742010, 206613015, 208580758, 312871137, 413226030, 521451895, 625742274, 730032653, 1042903790, 1460065306, 1564355685, 2190097959, 3128711370, 3650163265, 4380195918, 7300326530, 10950489795, 21900979590]

約数ペア:

[(1, 21900979590), (2, 10950489795), (3, 7300326530), (5, 4380195918), (6, 3650163265), (7, 3128711370), (10, 2190097959), (14, 1564355685), (15, 1460065306), (21, 1042903790), (30, 730032653), (35, 625742274), (42, 521451895), (53, 413226030), (70, 312871137), (105, 208580758), (106, 206613015), (159, 137742010), (210, 104290379), (265, 82645206), (318, 68871005), (337, 64988070), (371, 59032290), (530, 41322603), (674, 32494035), (742, 29516145), (795, 27548402), (1011, 21662690), (1113, 19677430), (1590, 13774201), (1685, 12997614), (1855, 11806458), (2022, 10831345), (2226, 9838715), (2359, 9284010), (3370, 6498807), (3710, 5903229), (4718, 4642005), (5055, 4332538), (5565, 3935486), (5839, 3750810), (7077, 3094670), (10110, 2166269), (11130, 1967743), (11678, 1875405), (11795, 1856802), (14154, 1547335), (17517, 1250270), (17861, 1226190), (23590, 928401), (29195, 750162), (35034, 625135), (35385, 618934), (35722, 613095), (40873, 535830), (53583, 408730), (58390, 375081), (70770, 309467), (81746, 267915), (87585, 250054), (89305, 245238), (107166, 204365), (122619, 178610), (125027, 175170)]