21410730

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 63763200

約数和(自身を除く): 42352470

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 89, 90, 99, 110, 135, 162, 165, 178, 198, 243, 267, 270, 297, 330, 405, 445, 486, 495, 534, 594, 729, 801, 810, 890, 891, 979, 990, 1215, 1335, 1458, 1485, 1602, 1782, 1958, 2187, 2403, 2430, 2670, 2673, 2937, 2970, 3645, 4005, 4374, 4455, 4806, 4895, 5346, 5874, 7209, 7290, 8010, 8019, 8811, 8910, 9790, 10935, 12015, 13365, 14418, 14685, 16038, 17622, 21627, 21870, 24030, 24057, 26433, 26730, 29370, 36045, 40095, 43254, 44055, 48114, 52866, 64881, 72090, 79299, 80190, 88110, 108135, 120285, 129762, 132165, 158598, 194643, 216270, 237897, 240570, 264330, 324405, 389286, 396495, 475794, 648810, 713691, 792990, 973215, 1189485, 1427382, 1946430, 2141073, 2378970, 3568455, 4282146, 7136910, 10705365, 21410730]

約数ペア:

[(1, 21410730), (2, 10705365), (3, 7136910), (5, 4282146), (6, 3568455), (9, 2378970), (10, 2141073), (11, 1946430), (15, 1427382), (18, 1189485), (22, 973215), (27, 792990), (30, 713691), (33, 648810), (45, 475794), (54, 396495), (55, 389286), (66, 324405), (81, 264330), (89, 240570), (90, 237897), (99, 216270), (110, 194643), (135, 158598), (162, 132165), (165, 129762), (178, 120285), (198, 108135), (243, 88110), (267, 80190), (270, 79299), (297, 72090), (330, 64881), (405, 52866), (445, 48114), (486, 44055), (495, 43254), (534, 40095), (594, 36045), (729, 29370), (801, 26730), (810, 26433), (890, 24057), (891, 24030), (979, 21870), (990, 21627), (1215, 17622), (1335, 16038), (1458, 14685), (1485, 14418), (1602, 13365), (1782, 12015), (1958, 10935), (2187, 9790), (2403, 8910), (2430, 8811), (2670, 8019), (2673, 8010), (2937, 7290), (2970, 7209), (3645, 5874), (4005, 5346), (4374, 4895), (4455, 4806)]