21503610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 58181760

約数和(自身を除く): 36678150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1091, 1095, 1314, 1971, 2182, 2190, 3273, 3285, 3942, 5455, 6546, 6570, 9819, 9855, 10910, 16365, 19638, 19710, 29457, 32730, 49095, 58914, 79643, 98190, 147285, 159286, 238929, 294570, 398215, 477858, 716787, 796430, 1194645, 1433574, 2150361, 2389290, 3583935, 4300722, 7167870, 10751805, 21503610]

約数ペア:

[(1, 21503610), (2, 10751805), (3, 7167870), (5, 4300722), (6, 3583935), (9, 2389290), (10, 2150361), (15, 1433574), (18, 1194645), (27, 796430), (30, 716787), (45, 477858), (54, 398215), (73, 294570), (90, 238929), (135, 159286), (146, 147285), (219, 98190), (270, 79643), (365, 58914), (438, 49095), (657, 32730), (730, 29457), (1091, 19710), (1095, 19638), (1314, 16365), (1971, 10910), (2182, 9855), (2190, 9819), (3273, 6570), (3285, 6546), (3942, 5455)]