21945900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{383}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 63995904

約数和(自身を除く): 42050004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 191, 300, 382, 383, 573, 764, 766, 955, 1146, 1149, 1532, 1910, 1915, 2292, 2298, 2865, 3820, 3830, 4596, 4775, 5730, 5745, 7660, 9550, 9575, 11460, 11490, 14325, 19100, 19150, 22980, 28650, 28725, 38300, 57300, 57450, 73153, 114900, 146306, 219459, 292612, 365765, 438918, 731530, 877836, 1097295, 1463060, 1828825, 2194590, 3657650, 4389180, 5486475, 7315300, 10972950, 21945900]

約数ペア:

[(1, 21945900), (2, 10972950), (3, 7315300), (4, 5486475), (5, 4389180), (6, 3657650), (10, 2194590), (12, 1828825), (15, 1463060), (20, 1097295), (25, 877836), (30, 731530), (50, 438918), (60, 365765), (75, 292612), (100, 219459), (150, 146306), (191, 114900), (300, 73153), (382, 57450), (383, 57300), (573, 38300), (764, 28725), (766, 28650), (955, 22980), (1146, 19150), (1149, 19100), (1532, 14325), (1910, 11490), (1915, 11460), (2292, 9575), (2298, 9550), (2865, 7660), (3820, 5745), (3830, 5730), (4596, 4775)]