21303007320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{120193}}^1$

素因数の和:120425

約数の個数: 128

約数和(自身を含む): 73385648640

約数和(自身を除く): 52082641320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 211, 280, 420, 422, 633, 840, 844, 1055, 1266, 1477, 1688, 2110, 2532, 2954, 3165, 4220, 4431, 5064, 5908, 6330, 7385, 8440, 8862, 11816, 12660, 14770, 17724, 22155, 25320, 29540, 35448, 44310, 59080, 88620, 120193, 177240, 240386, 360579, 480772, 600965, 721158, 841351, 961544, 1201930, 1442316, 1682702, 1802895, 2403860, 2524053, 2884632, 3365404, 3605790, 4206755, 4807720, 5048106, 6730808, 7211580, 8413510, 10096212, 12620265, 14423160, 16827020, 20192424, 25240530, 25360723, 33654040, 50481060, 50721446, 76082169, 100962120, 101442892, 126803615, 152164338, 177525061, 202885784, 253607230, 304328676, 355050122, 380410845, 507214460, 532575183, 608657352, 710100244, 760821690, 887625305, 1014428920, 1065150366, 1420200488, 1521643380, 1775250610, 2130300732, 2662875915, 3043286760, 3550501220, 4260601464, 5325751830, 7101002440, 10651503660, 21303007320]

約数ペア:

[(1, 21303007320), (2, 10651503660), (3, 7101002440), (4, 5325751830), (5, 4260601464), (6, 3550501220), (7, 3043286760), (8, 2662875915), (10, 2130300732), (12, 1775250610), (14, 1521643380), (15, 1420200488), (20, 1065150366), (21, 1014428920), (24, 887625305), (28, 760821690), (30, 710100244), (35, 608657352), (40, 532575183), (42, 507214460), (56, 380410845), (60, 355050122), (70, 304328676), (84, 253607230), (105, 202885784), (120, 177525061), (140, 152164338), (168, 126803615), (210, 101442892), (211, 100962120), (280, 76082169), (420, 50721446), (422, 50481060), (633, 33654040), (840, 25360723), (844, 25240530), (1055, 20192424), (1266, 16827020), (1477, 14423160), (1688, 12620265), (2110, 10096212), (2532, 8413510), (2954, 7211580), (3165, 6730808), (4220, 5048106), (4431, 4807720), (5064, 4206755), (5908, 3605790), (6330, 3365404), (7385, 2884632), (8440, 2524053), (8862, 2403860), (11816, 1802895), (12660, 1682702), (14770, 1442316), (17724, 1201930), (22155, 961544), (25320, 841351), (29540, 721158), (35448, 600965), (44310, 480772), (59080, 360579), (88620, 240386), (120193, 177240)]