21106350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 62674560

約数和(自身を除く): 41568210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 31, 34, 45, 50, 51, 62, 75, 85, 89, 90, 93, 102, 150, 153, 155, 170, 178, 186, 225, 255, 267, 279, 306, 310, 425, 445, 450, 465, 510, 527, 534, 558, 765, 775, 801, 850, 890, 930, 1054, 1275, 1335, 1395, 1513, 1530, 1550, 1581, 1602, 2225, 2325, 2550, 2635, 2670, 2759, 2790, 3026, 3162, 3825, 4005, 4450, 4539, 4650, 4743, 5270, 5518, 6675, 6975, 7565, 7650, 7905, 8010, 8277, 9078, 9486, 13175, 13350, 13617, 13795, 13950, 15130, 15810, 16554, 20025, 22695, 23715, 24831, 26350, 27234, 27590, 37825, 39525, 40050, 41385, 45390, 46903, 47430, 49662, 68085, 68975, 75650, 79050, 82770, 93806, 113475, 118575, 124155, 136170, 137950, 140709, 206925, 226950, 234515, 237150, 248310, 281418, 340425, 413850, 422127, 469030, 620775, 680850, 703545, 844254, 1172575, 1241550, 1407090, 2110635, 2345150, 3517725, 4221270, 7035450, 10553175, 21106350]

約数ペア:

[(1, 21106350), (2, 10553175), (3, 7035450), (5, 4221270), (6, 3517725), (9, 2345150), (10, 2110635), (15, 1407090), (17, 1241550), (18, 1172575), (25, 844254), (30, 703545), (31, 680850), (34, 620775), (45, 469030), (50, 422127), (51, 413850), (62, 340425), (75, 281418), (85, 248310), (89, 237150), (90, 234515), (93, 226950), (102, 206925), (150, 140709), (153, 137950), (155, 136170), (170, 124155), (178, 118575), (186, 113475), (225, 93806), (255, 82770), (267, 79050), (279, 75650), (306, 68975), (310, 68085), (425, 49662), (445, 47430), (450, 46903), (465, 45390), (510, 41385), (527, 40050), (534, 39525), (558, 37825), (765, 27590), (775, 27234), (801, 26350), (850, 24831), (890, 23715), (930, 22695), (1054, 20025), (1275, 16554), (1335, 15810), (1395, 15130), (1513, 13950), (1530, 13795), (1550, 13617), (1581, 13350), (1602, 13175), (2225, 9486), (2325, 9078), (2550, 8277), (2635, 8010), (2670, 7905), (2759, 7650), (2790, 7565), (3026, 6975), (3162, 6675), (3825, 5518), (4005, 5270), (4450, 4743), (4539, 4650)]