21797640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20183}}^1$

素因数の和:20203

約数の個数: 64

約数和(自身を含む): 72662400

約数和(自身を除く): 50864760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20183, 40366, 60549, 80732, 100915, 121098, 161464, 181647, 201830, 242196, 302745, 363294, 403660, 484392, 544941, 605490, 726588, 807320, 908235, 1089882, 1210980, 1453176, 1816470, 2179764, 2421960, 2724705, 3632940, 4359528, 5449410, 7265880, 10898820, 21797640]

約数ペア:

[(1, 21797640), (2, 10898820), (3, 7265880), (4, 5449410), (5, 4359528), (6, 3632940), (8, 2724705), (9, 2421960), (10, 2179764), (12, 1816470), (15, 1453176), (18, 1210980), (20, 1089882), (24, 908235), (27, 807320), (30, 726588), (36, 605490), (40, 544941), (45, 484392), (54, 403660), (60, 363294), (72, 302745), (90, 242196), (108, 201830), (120, 181647), (135, 161464), (180, 121098), (216, 100915), (270, 80732), (360, 60549), (540, 40366), (1080, 20183)]