21333300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 46162380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 47, 50, 51, 60, 68, 75, 85, 89, 94, 100, 102, 141, 150, 170, 178, 188, 204, 235, 255, 267, 282, 300, 340, 356, 425, 445, 470, 510, 534, 564, 705, 799, 850, 890, 940, 1020, 1068, 1175, 1275, 1335, 1410, 1513, 1598, 1700, 1780, 2225, 2350, 2397, 2550, 2670, 2820, 3026, 3196, 3525, 3995, 4183, 4450, 4539, 4700, 4794, 5100, 5340, 6052, 6675, 7050, 7565, 7990, 8366, 8900, 9078, 9588, 11985, 12549, 13350, 14100, 15130, 15980, 16732, 18156, 19975, 20915, 22695, 23970, 25098, 26700, 30260, 37825, 39950, 41830, 45390, 47940, 50196, 59925, 62745, 71111, 75650, 79900, 83660, 90780, 104575, 113475, 119850, 125490, 142222, 151300, 209150, 213333, 226950, 239700, 250980, 284444, 313725, 355555, 418300, 426666, 453900, 627450, 711110, 853332, 1066665, 1254900, 1422220, 1777775, 2133330, 3555550, 4266660, 5333325, 7111100, 10666650, 21333300]

約数ペア:

[(1, 21333300), (2, 10666650), (3, 7111100), (4, 5333325), (5, 4266660), (6, 3555550), (10, 2133330), (12, 1777775), (15, 1422220), (17, 1254900), (20, 1066665), (25, 853332), (30, 711110), (34, 627450), (47, 453900), (50, 426666), (51, 418300), (60, 355555), (68, 313725), (75, 284444), (85, 250980), (89, 239700), (94, 226950), (100, 213333), (102, 209150), (141, 151300), (150, 142222), (170, 125490), (178, 119850), (188, 113475), (204, 104575), (235, 90780), (255, 83660), (267, 79900), (282, 75650), (300, 71111), (340, 62745), (356, 59925), (425, 50196), (445, 47940), (470, 45390), (510, 41830), (534, 39950), (564, 37825), (705, 30260), (799, 26700), (850, 25098), (890, 23970), (940, 22695), (1020, 20915), (1068, 19975), (1175, 18156), (1275, 16732), (1335, 15980), (1410, 15130), (1513, 14100), (1598, 13350), (1700, 12549), (1780, 11985), (2225, 9588), (2350, 9078), (2397, 8900), (2550, 8366), (2670, 7990), (2820, 7565), (3026, 7050), (3196, 6675), (3525, 6052), (3995, 5340), (4183, 5100), (4450, 4794), (4539, 4700)]