21728250

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 160

約数和(自身を含む): 64555920

約数和(自身を除く): 42827670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 37, 45, 50, 54, 58, 74, 75, 81, 87, 90, 111, 125, 135, 145, 150, 162, 174, 185, 222, 225, 250, 261, 270, 290, 333, 370, 375, 405, 435, 450, 522, 555, 666, 675, 725, 750, 783, 810, 870, 925, 999, 1073, 1110, 1125, 1305, 1350, 1450, 1566, 1665, 1850, 1998, 2025, 2146, 2175, 2250, 2349, 2610, 2775, 2997, 3219, 3330, 3375, 3625, 3915, 4050, 4350, 4625, 4698, 4995, 5365, 5550, 5994, 6438, 6525, 6750, 7250, 7830, 8325, 9250, 9657, 9990, 10125, 10730, 10875, 11745, 13050, 13875, 14985, 16095, 16650, 19314, 19575, 20250, 21750, 23490, 24975, 26825, 27750, 28971, 29970, 32190, 32625, 39150, 41625, 48285, 49950, 53650, 57942, 58725, 65250, 74925, 80475, 83250, 86913, 96570, 97875, 117450, 124875, 134125, 144855, 149850, 160950, 173826, 195750, 241425, 249750, 268250, 289710, 293625, 374625, 402375, 434565, 482850, 587250, 724275, 749250, 804750, 869130, 1207125, 1448550, 2172825, 2414250, 3621375, 4345650, 7242750, 10864125, 21728250]

約数ペア:

[(1, 21728250), (2, 10864125), (3, 7242750), (5, 4345650), (6, 3621375), (9, 2414250), (10, 2172825), (15, 1448550), (18, 1207125), (25, 869130), (27, 804750), (29, 749250), (30, 724275), (37, 587250), (45, 482850), (50, 434565), (54, 402375), (58, 374625), (74, 293625), (75, 289710), (81, 268250), (87, 249750), (90, 241425), (111, 195750), (125, 173826), (135, 160950), (145, 149850), (150, 144855), (162, 134125), (174, 124875), (185, 117450), (222, 97875), (225, 96570), (250, 86913), (261, 83250), (270, 80475), (290, 74925), (333, 65250), (370, 58725), (375, 57942), (405, 53650), (435, 49950), (450, 48285), (522, 41625), (555, 39150), (666, 32625), (675, 32190), (725, 29970), (750, 28971), (783, 27750), (810, 26825), (870, 24975), (925, 23490), (999, 21750), (1073, 20250), (1110, 19575), (1125, 19314), (1305, 16650), (1350, 16095), (1450, 14985), (1566, 13875), (1665, 13050), (1850, 11745), (1998, 10875), (2025, 10730), (2146, 10125), (2175, 9990), (2250, 9657), (2349, 9250), (2610, 8325), (2775, 7830), (2997, 7250), (3219, 6750), (3330, 6525), (3375, 6438), (3625, 5994), (3915, 5550), (4050, 5365), (4350, 4995), (4625, 4698)]