21802830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^3$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 61102080

約数和(自身を除く): 39299250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2209, 3290, 4418, 4935, 6627, 9870, 11045, 13254, 15463, 22090, 30926, 33135, 46389, 66270, 77315, 92778, 103823, 154630, 207646, 231945, 311469, 463890, 519115, 622938, 726761, 1038230, 1453522, 1557345, 2180283, 3114690, 3633805, 4360566, 7267610, 10901415, 21802830]

約数ペア:

[(1, 21802830), (2, 10901415), (3, 7267610), (5, 4360566), (6, 3633805), (7, 3114690), (10, 2180283), (14, 1557345), (15, 1453522), (21, 1038230), (30, 726761), (35, 622938), (42, 519115), (47, 463890), (70, 311469), (94, 231945), (105, 207646), (141, 154630), (210, 103823), (235, 92778), (282, 77315), (329, 66270), (470, 46389), (658, 33135), (705, 30926), (987, 22090), (1410, 15463), (1645, 13254), (1974, 11045), (2209, 9870), (3290, 6627), (4418, 4935)]