21103177158

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1\times {\mathrm{1873}}^1$

素因数の和:2659

約数の個数: 128

約数和(自身を含む): 55007447040

約数和(自身を除く): 33904269882

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 82, 123, 126, 189, 246, 287, 369, 378, 574, 727, 738, 861, 1107, 1454, 1722, 1873, 2181, 2214, 2583, 3746, 4362, 5089, 5166, 5619, 6543, 7749, 10178, 11238, 13086, 13111, 15267, 15498, 16857, 19629, 26222, 29807, 30534, 33714, 39258, 39333, 45801, 50571, 59614, 76793, 78666, 89421, 91602, 101142, 117999, 137403, 153586, 178842, 208649, 230379, 235998, 268263, 274806, 353997, 417298, 460758, 536526, 537551, 625947, 691137, 707994, 804789, 1075102, 1251894, 1361671, 1382274, 1609578, 1612653, 1877841, 2073411, 2723342, 3225306, 3755682, 4085013, 4146822, 4837959, 5633523, 8170026, 9531697, 9675918, 11267046, 12255039, 14513877, 19063394, 24510078, 28595091, 29027754, 36765117, 55828511, 57190182, 73530234, 85785273, 111657022, 167485533, 171570546, 257355819, 334971066, 390799577, 502456599, 514711638, 781599154, 1004913198, 1172398731, 1507369797, 2344797462, 3014739594, 3517196193, 7034392386, 10551588579, 21103177158]

約数ペア:

[(1, 21103177158), (2, 10551588579), (3, 7034392386), (6, 3517196193), (7, 3014739594), (9, 2344797462), (14, 1507369797), (18, 1172398731), (21, 1004913198), (27, 781599154), (41, 514711638), (42, 502456599), (54, 390799577), (63, 334971066), (82, 257355819), (123, 171570546), (126, 167485533), (189, 111657022), (246, 85785273), (287, 73530234), (369, 57190182), (378, 55828511), (574, 36765117), (727, 29027754), (738, 28595091), (861, 24510078), (1107, 19063394), (1454, 14513877), (1722, 12255039), (1873, 11267046), (2181, 9675918), (2214, 9531697), (2583, 8170026), (3746, 5633523), (4362, 4837959), (5089, 4146822), (5166, 4085013), (5619, 3755682), (6543, 3225306), (7749, 2723342), (10178, 2073411), (11238, 1877841), (13086, 1612653), (13111, 1609578), (15267, 1382274), (15498, 1361671), (16857, 1251894), (19629, 1075102), (26222, 804789), (29807, 707994), (30534, 691137), (33714, 625947), (39258, 537551), (39333, 536526), (45801, 460758), (50571, 417298), (59614, 353997), (76793, 274806), (78666, 268263), (89421, 235998), (91602, 230379), (101142, 208649), (117999, 178842), (137403, 153586)]