21212550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 61603200

約数和(自身を除く): 40390650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 135, 150, 171, 190, 225, 270, 285, 342, 450, 475, 513, 570, 675, 827, 855, 950, 1026, 1350, 1425, 1654, 1710, 2481, 2565, 2850, 4135, 4275, 4962, 5130, 7443, 8270, 8550, 12405, 12825, 14886, 15713, 20675, 22329, 24810, 25650, 31426, 37215, 41350, 44658, 47139, 62025, 74430, 78565, 94278, 111645, 124050, 141417, 157130, 186075, 223290, 235695, 282834, 372150, 392825, 424251, 471390, 558225, 707085, 785650, 848502, 1116450, 1178475, 1414170, 2121255, 2356950, 3535425, 4242510, 7070850, 10606275, 21212550]

約数ペア:

[(1, 21212550), (2, 10606275), (3, 7070850), (5, 4242510), (6, 3535425), (9, 2356950), (10, 2121255), (15, 1414170), (18, 1178475), (19, 1116450), (25, 848502), (27, 785650), (30, 707085), (38, 558225), (45, 471390), (50, 424251), (54, 392825), (57, 372150), (75, 282834), (90, 235695), (95, 223290), (114, 186075), (135, 157130), (150, 141417), (171, 124050), (190, 111645), (225, 94278), (270, 78565), (285, 74430), (342, 62025), (450, 47139), (475, 44658), (513, 41350), (570, 37215), (675, 31426), (827, 25650), (855, 24810), (950, 22329), (1026, 20675), (1350, 15713), (1425, 14886), (1654, 12825), (1710, 12405), (2481, 8550), (2565, 8270), (2850, 7443), (4135, 5130), (4275, 4962)]