21602490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 65705472

約数和(自身を除く): 44102982

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 41, 42, 65, 70, 78, 82, 91, 105, 123, 130, 182, 193, 195, 205, 210, 246, 273, 287, 386, 390, 410, 455, 533, 546, 574, 579, 615, 861, 910, 965, 1066, 1158, 1230, 1351, 1365, 1435, 1599, 1722, 1930, 2509, 2665, 2702, 2730, 2870, 2895, 3198, 3731, 4053, 4305, 5018, 5330, 5790, 6755, 7462, 7527, 7913, 7995, 8106, 8610, 11193, 12545, 13510, 15054, 15826, 15990, 17563, 18655, 20265, 22386, 23739, 25090, 35126, 37310, 37635, 39565, 40530, 47478, 52689, 55391, 55965, 75270, 79130, 87815, 102869, 105378, 110782, 111930, 118695, 166173, 175630, 205738, 237390, 263445, 276955, 308607, 332346, 514345, 526890, 553910, 617214, 720083, 830865, 1028690, 1440166, 1543035, 1661730, 2160249, 3086070, 3600415, 4320498, 7200830, 10801245, 21602490]

約数ペア:

[(1, 21602490), (2, 10801245), (3, 7200830), (5, 4320498), (6, 3600415), (7, 3086070), (10, 2160249), (13, 1661730), (14, 1543035), (15, 1440166), (21, 1028690), (26, 830865), (30, 720083), (35, 617214), (39, 553910), (41, 526890), (42, 514345), (65, 332346), (70, 308607), (78, 276955), (82, 263445), (91, 237390), (105, 205738), (123, 175630), (130, 166173), (182, 118695), (193, 111930), (195, 110782), (205, 105378), (210, 102869), (246, 87815), (273, 79130), (287, 75270), (386, 55965), (390, 55391), (410, 52689), (455, 47478), (533, 40530), (546, 39565), (574, 37635), (579, 37310), (615, 35126), (861, 25090), (910, 23739), (965, 22386), (1066, 20265), (1158, 18655), (1230, 17563), (1351, 15990), (1365, 15826), (1435, 15054), (1599, 13510), (1722, 12545), (1930, 11193), (2509, 8610), (2665, 8106), (2702, 7995), (2730, 7913), (2870, 7527), (2895, 7462), (3198, 6755), (3731, 5790), (4053, 5330), (4305, 5018)]