21070275100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{977}}^1\times {\mathrm{30809}}^1$

素因数の和:31807

約数の個数: 72

約数和(自身を含む): 52309464480

約数和(自身を除く): 31239189380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 977, 1954, 3908, 4885, 6839, 9770, 13678, 19540, 24425, 27356, 30809, 34195, 48850, 61618, 68390, 97700, 123236, 136780, 154045, 170975, 215663, 308090, 341950, 431326, 616180, 683900, 770225, 862652, 1078315, 1540450, 2156630, 3080900, 4313260, 5391575, 10783150, 21566300, 30100393, 60200786, 120401572, 150501965, 210702751, 301003930, 421405502, 602007860, 752509825, 842811004, 1053513755, 1505019650, 2107027510, 3010039300, 4214055020, 5267568775, 10535137550, 21070275100]

約数ペア:

[(1, 21070275100), (2, 10535137550), (4, 5267568775), (5, 4214055020), (7, 3010039300), (10, 2107027510), (14, 1505019650), (20, 1053513755), (25, 842811004), (28, 752509825), (35, 602007860), (50, 421405502), (70, 301003930), (100, 210702751), (140, 150501965), (175, 120401572), (350, 60200786), (700, 30100393), (977, 21566300), (1954, 10783150), (3908, 5391575), (4885, 4313260), (6839, 3080900), (9770, 2156630), (13678, 1540450), (19540, 1078315), (24425, 862652), (27356, 770225), (30809, 683900), (34195, 616180), (48850, 431326), (61618, 341950), (68390, 308090), (97700, 215663), (123236, 170975), (136780, 154045)]