21779100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3457}}^1$

素因数の和:3484

約数の個数: 108

約数和(自身を含む): 78040144

約数和(自身を除く): 56261044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3457, 6300, 6914, 10371, 13828, 17285, 20742, 24199, 31113, 34570, 41484, 48398, 51855, 62226, 69140, 72597, 86425, 96796, 103710, 120995, 124452, 145194, 155565, 172850, 207420, 217791, 241990, 259275, 290388, 311130, 345700, 362985, 435582, 483980, 518550, 604975, 622260, 725970, 777825, 871164, 1037100, 1088955, 1209950, 1451940, 1555650, 1814925, 2177910, 2419900, 3111300, 3629850, 4355820, 5444775, 7259700, 10889550, 21779100]

約数ペア:

[(1, 21779100), (2, 10889550), (3, 7259700), (4, 5444775), (5, 4355820), (6, 3629850), (7, 3111300), (9, 2419900), (10, 2177910), (12, 1814925), (14, 1555650), (15, 1451940), (18, 1209950), (20, 1088955), (21, 1037100), (25, 871164), (28, 777825), (30, 725970), (35, 622260), (36, 604975), (42, 518550), (45, 483980), (50, 435582), (60, 362985), (63, 345700), (70, 311130), (75, 290388), (84, 259275), (90, 241990), (100, 217791), (105, 207420), (126, 172850), (140, 155565), (150, 145194), (175, 124452), (180, 120995), (210, 103710), (225, 96796), (252, 86425), (300, 72597), (315, 69140), (350, 62226), (420, 51855), (450, 48398), (525, 41484), (630, 34570), (700, 31113), (900, 24199), (1050, 20742), (1260, 17285), (1575, 13828), (2100, 10371), (3150, 6914), (3457, 6300)]