21461640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9413}}^1$

素因数の和:9446

約数の個数: 64

約数和(自身を含む): 67780800

約数和(自身を除く): 46319160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9413, 18826, 28239, 37652, 47065, 56478, 75304, 94130, 112956, 141195, 178847, 188260, 225912, 282390, 357694, 376520, 536541, 564780, 715388, 894235, 1073082, 1129560, 1430776, 1788470, 2146164, 2682705, 3576940, 4292328, 5365410, 7153880, 10730820, 21461640]

約数ペア:

[(1, 21461640), (2, 10730820), (3, 7153880), (4, 5365410), (5, 4292328), (6, 3576940), (8, 2682705), (10, 2146164), (12, 1788470), (15, 1430776), (19, 1129560), (20, 1073082), (24, 894235), (30, 715388), (38, 564780), (40, 536541), (57, 376520), (60, 357694), (76, 282390), (95, 225912), (114, 188260), (120, 178847), (152, 141195), (190, 112956), (228, 94130), (285, 75304), (380, 56478), (456, 47065), (570, 37652), (760, 28239), (1140, 18826), (2280, 9413)]