21663600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2579}}^1$

素因数の和:2607

約数の個数: 120

約数和(自身を含む): 79340160

約数和(自身を除く): 57676560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2579, 2800, 4200, 5158, 7737, 8400, 10316, 12895, 15474, 18053, 20632, 25790, 30948, 36106, 38685, 41264, 51580, 54159, 61896, 64475, 72212, 77370, 90265, 103160, 108318, 123792, 128950, 144424, 154740, 180530, 193425, 206320, 216636, 257900, 270795, 288848, 309480, 361060, 386850, 433272, 451325, 515800, 541590, 618960, 722120, 773700, 866544, 902650, 1031600, 1083180, 1353975, 1444240, 1547400, 1805300, 2166360, 2707950, 3094800, 3610600, 4332720, 5415900, 7221200, 10831800, 21663600]

約数ペア:

[(1, 21663600), (2, 10831800), (3, 7221200), (4, 5415900), (5, 4332720), (6, 3610600), (7, 3094800), (8, 2707950), (10, 2166360), (12, 1805300), (14, 1547400), (15, 1444240), (16, 1353975), (20, 1083180), (21, 1031600), (24, 902650), (25, 866544), (28, 773700), (30, 722120), (35, 618960), (40, 541590), (42, 515800), (48, 451325), (50, 433272), (56, 386850), (60, 361060), (70, 309480), (75, 288848), (80, 270795), (84, 257900), (100, 216636), (105, 206320), (112, 193425), (120, 180530), (140, 154740), (150, 144424), (168, 128950), (175, 123792), (200, 108318), (210, 103160), (240, 90265), (280, 77370), (300, 72212), (336, 64475), (350, 61896), (400, 54159), (420, 51580), (525, 41264), (560, 38685), (600, 36106), (700, 30948), (840, 25790), (1050, 20632), (1200, 18053), (1400, 15474), (1680, 12895), (2100, 10316), (2579, 8400), (2800, 7737), (4200, 5158)]