21142560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2591}}^1$

素因数の和:2626

約数の個数: 96

約数和(自身を含む): 70543872

約数和(自身を除く): 49401312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2591, 2720, 4080, 5182, 7773, 8160, 10364, 12955, 15546, 20728, 25910, 31092, 38865, 41456, 44047, 51820, 62184, 77730, 82912, 88094, 103640, 124368, 132141, 155460, 176188, 207280, 220235, 248736, 264282, 310920, 352376, 414560, 440470, 528564, 621840, 660705, 704752, 880940, 1057128, 1243680, 1321410, 1409504, 1761880, 2114256, 2642820, 3523760, 4228512, 5285640, 7047520, 10571280, 21142560]

約数ペア:

[(1, 21142560), (2, 10571280), (3, 7047520), (4, 5285640), (5, 4228512), (6, 3523760), (8, 2642820), (10, 2114256), (12, 1761880), (15, 1409504), (16, 1321410), (17, 1243680), (20, 1057128), (24, 880940), (30, 704752), (32, 660705), (34, 621840), (40, 528564), (48, 440470), (51, 414560), (60, 352376), (68, 310920), (80, 264282), (85, 248736), (96, 220235), (102, 207280), (120, 176188), (136, 155460), (160, 132141), (170, 124368), (204, 103640), (240, 88094), (255, 82912), (272, 77730), (340, 62184), (408, 51820), (480, 44047), (510, 41456), (544, 38865), (680, 31092), (816, 25910), (1020, 20728), (1360, 15546), (1632, 12955), (2040, 10364), (2591, 8160), (2720, 7773), (4080, 5182)]