21667950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:466

約数の個数: 72

約数和(自身を含む): 58757400

約数和(自身を除く): 37089450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 179, 225, 269, 358, 450, 537, 538, 807, 895, 1074, 1345, 1611, 1614, 1790, 2421, 2685, 2690, 3222, 4035, 4475, 4842, 5370, 6725, 8055, 8070, 8950, 12105, 13425, 13450, 16110, 20175, 24210, 26850, 40275, 40350, 48151, 60525, 80550, 96302, 121050, 144453, 240755, 288906, 433359, 481510, 722265, 866718, 1203775, 1444530, 2166795, 2407550, 3611325, 4333590, 7222650, 10833975, 21667950]

約数ペア:

[(1, 21667950), (2, 10833975), (3, 7222650), (5, 4333590), (6, 3611325), (9, 2407550), (10, 2166795), (15, 1444530), (18, 1203775), (25, 866718), (30, 722265), (45, 481510), (50, 433359), (75, 288906), (90, 240755), (150, 144453), (179, 121050), (225, 96302), (269, 80550), (358, 60525), (450, 48151), (537, 40350), (538, 40275), (807, 26850), (895, 24210), (1074, 20175), (1345, 16110), (1611, 13450), (1614, 13425), (1790, 12105), (2421, 8950), (2685, 8070), (2690, 8055), (3222, 6725), (4035, 5370), (4475, 4842)]