21418800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1407

約数の個数: 120

約数和(自身を含む): 73943184

約数和(自身を除く): 52524384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1373, 1560, 1950, 2600, 2746, 3120, 3900, 4119, 5200, 5492, 6865, 7800, 8238, 10984, 13730, 15600, 16476, 17849, 20595, 21968, 27460, 32952, 34325, 35698, 41190, 53547, 54920, 65904, 68650, 71396, 82380, 89245, 102975, 107094, 109840, 137300, 142792, 164760, 178490, 205950, 214188, 267735, 274600, 285584, 329520, 356980, 411900, 428376, 446225, 535470, 549200, 713960, 823800, 856752, 892450, 1070940, 1338675, 1427920, 1647600, 1784900, 2141880, 2677350, 3569800, 4283760, 5354700, 7139600, 10709400, 21418800]

約数ペア:

[(1, 21418800), (2, 10709400), (3, 7139600), (4, 5354700), (5, 4283760), (6, 3569800), (8, 2677350), (10, 2141880), (12, 1784900), (13, 1647600), (15, 1427920), (16, 1338675), (20, 1070940), (24, 892450), (25, 856752), (26, 823800), (30, 713960), (39, 549200), (40, 535470), (48, 446225), (50, 428376), (52, 411900), (60, 356980), (65, 329520), (75, 285584), (78, 274600), (80, 267735), (100, 214188), (104, 205950), (120, 178490), (130, 164760), (150, 142792), (156, 137300), (195, 109840), (200, 107094), (208, 102975), (240, 89245), (260, 82380), (300, 71396), (312, 68650), (325, 65904), (390, 54920), (400, 53547), (520, 41190), (600, 35698), (624, 34325), (650, 32952), (780, 27460), (975, 21968), (1040, 20595), (1200, 17849), (1300, 16476), (1373, 15600), (1560, 13730), (1950, 10984), (2600, 8238), (2746, 7800), (3120, 6865), (3900, 5492), (4119, 5200)]