21132450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 57335616

約数和(自身を除く): 36203166

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 151, 225, 302, 311, 450, 453, 622, 755, 906, 933, 1359, 1510, 1555, 1866, 2265, 2718, 2799, 3110, 3775, 4530, 4665, 5598, 6795, 7550, 7775, 9330, 11325, 13590, 13995, 15550, 22650, 23325, 27990, 33975, 46650, 46961, 67950, 69975, 93922, 139950, 140883, 234805, 281766, 422649, 469610, 704415, 845298, 1174025, 1408830, 2113245, 2348050, 3522075, 4226490, 7044150, 10566225, 21132450]

約数ペア:

[(1, 21132450), (2, 10566225), (3, 7044150), (5, 4226490), (6, 3522075), (9, 2348050), (10, 2113245), (15, 1408830), (18, 1174025), (25, 845298), (30, 704415), (45, 469610), (50, 422649), (75, 281766), (90, 234805), (150, 140883), (151, 139950), (225, 93922), (302, 69975), (311, 67950), (450, 46961), (453, 46650), (622, 33975), (755, 27990), (906, 23325), (933, 22650), (1359, 15550), (1510, 13995), (1555, 13590), (1866, 11325), (2265, 9330), (2718, 7775), (2799, 7550), (3110, 6795), (3775, 5598), (4530, 4665)]