21166000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:599

約数の個数: 80

約数和(自身を含む): 53969760

約数和(自身を除く): 32803760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 557, 760, 950, 1000, 1114, 1520, 1900, 2000, 2228, 2375, 2785, 3800, 4456, 4750, 5570, 7600, 8912, 9500, 10583, 11140, 13925, 19000, 21166, 22280, 27850, 38000, 42332, 44560, 52915, 55700, 69625, 84664, 105830, 111400, 139250, 169328, 211660, 222800, 264575, 278500, 423320, 529150, 557000, 846640, 1058300, 1114000, 1322875, 2116600, 2645750, 4233200, 5291500, 10583000, 21166000]

約数ペア:

[(1, 21166000), (2, 10583000), (4, 5291500), (5, 4233200), (8, 2645750), (10, 2116600), (16, 1322875), (19, 1114000), (20, 1058300), (25, 846640), (38, 557000), (40, 529150), (50, 423320), (76, 278500), (80, 264575), (95, 222800), (100, 211660), (125, 169328), (152, 139250), (190, 111400), (200, 105830), (250, 84664), (304, 69625), (380, 55700), (400, 52915), (475, 44560), (500, 42332), (557, 38000), (760, 27850), (950, 22280), (1000, 21166), (1114, 19000), (1520, 13925), (1900, 11140), (2000, 10583), (2228, 9500), (2375, 8912), (2785, 7600), (3800, 5570), (4456, 4750)]