21525778680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1348733}}^1$

素因数の和:1348773

約数の個数: 128

約数和(自身を含む): 77687078400

約数和(自身を除く): 56161299720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 1348733, 2697466, 4046199, 5394932, 6743665, 8092398, 9441131, 10789864, 13487330, 16184796, 18882262, 20230995, 25625927, 26974660, 28323393, 32369592, 37764524, 40461990, 47205655, 51251854, 53949320, 56646786, 75529048, 76877781, 80923980, 94411310, 102503708, 113293572, 128129635, 141616965, 153755562, 161847960, 179381489, 188822620, 205007416, 226587144, 256259270, 283233930, 307511124, 358762978, 377645240, 384388905, 512518540, 538144467, 566467860, 615022248, 717525956, 768777810, 896907445, 1025037080, 1076288934, 1132935720, 1435051912, 1537555620, 1793814890, 2152577868, 2690722335, 3075111240, 3587629780, 4305155736, 5381444670, 7175259560, 10762889340, 21525778680]

約数ペア:

[(1, 21525778680), (2, 10762889340), (3, 7175259560), (4, 5381444670), (5, 4305155736), (6, 3587629780), (7, 3075111240), (8, 2690722335), (10, 2152577868), (12, 1793814890), (14, 1537555620), (15, 1435051912), (19, 1132935720), (20, 1076288934), (21, 1025037080), (24, 896907445), (28, 768777810), (30, 717525956), (35, 615022248), (38, 566467860), (40, 538144467), (42, 512518540), (56, 384388905), (57, 377645240), (60, 358762978), (70, 307511124), (76, 283233930), (84, 256259270), (95, 226587144), (105, 205007416), (114, 188822620), (120, 179381489), (133, 161847960), (140, 153755562), (152, 141616965), (168, 128129635), (190, 113293572), (210, 102503708), (228, 94411310), (266, 80923980), (280, 76877781), (285, 75529048), (380, 56646786), (399, 53949320), (420, 51251854), (456, 47205655), (532, 40461990), (570, 37764524), (665, 32369592), (760, 28323393), (798, 26974660), (840, 25625927), (1064, 20230995), (1140, 18882262), (1330, 16184796), (1596, 13487330), (1995, 10789864), (2280, 9441131), (2660, 8092398), (3192, 6743665), (3990, 5394932), (5320, 4046199), (7980, 2697466), (15960, 1348733)]