21212400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1607}}^1$

素因数の和:1639

約数の個数: 120

約数和(自身を含む): 74173824

約数和(自身を除く): 52961424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1607, 1650, 2200, 2640, 3214, 3300, 4400, 4821, 6428, 6600, 8035, 9642, 12856, 13200, 16070, 17677, 19284, 24105, 25712, 32140, 35354, 38568, 40175, 48210, 53031, 64280, 70708, 77136, 80350, 88385, 96420, 106062, 120525, 128560, 141416, 160700, 176770, 192840, 212124, 241050, 265155, 282832, 321400, 353540, 385680, 424248, 441925, 482100, 530310, 642800, 707080, 848496, 883850, 964200, 1060620, 1325775, 1414160, 1767700, 1928400, 2121240, 2651550, 3535400, 4242480, 5303100, 7070800, 10606200, 21212400]

約数ペア:

[(1, 21212400), (2, 10606200), (3, 7070800), (4, 5303100), (5, 4242480), (6, 3535400), (8, 2651550), (10, 2121240), (11, 1928400), (12, 1767700), (15, 1414160), (16, 1325775), (20, 1060620), (22, 964200), (24, 883850), (25, 848496), (30, 707080), (33, 642800), (40, 530310), (44, 482100), (48, 441925), (50, 424248), (55, 385680), (60, 353540), (66, 321400), (75, 282832), (80, 265155), (88, 241050), (100, 212124), (110, 192840), (120, 176770), (132, 160700), (150, 141416), (165, 128560), (176, 120525), (200, 106062), (220, 96420), (240, 88385), (264, 80350), (275, 77136), (300, 70708), (330, 64280), (400, 53031), (440, 48210), (528, 40175), (550, 38568), (600, 35354), (660, 32140), (825, 25712), (880, 24105), (1100, 19284), (1200, 17677), (1320, 16070), (1607, 13200), (1650, 12856), (2200, 9642), (2640, 8035), (3214, 6600), (3300, 6428), (4400, 4821)]