21148002

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 47567520

約数和(自身を除く): 26419518

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 89, 129, 178, 258, 267, 307, 387, 534, 614, 774, 801, 921, 1602, 1842, 2763, 3827, 5526, 7654, 11481, 13201, 22962, 26402, 27323, 34443, 39603, 54646, 68886, 79206, 81969, 118809, 163938, 237618, 245907, 491814, 1174889, 2349778, 3524667, 7049334, 10574001, 21148002]

約数ペア:

[(1, 21148002), (2, 10574001), (3, 7049334), (6, 3524667), (9, 2349778), (18, 1174889), (43, 491814), (86, 245907), (89, 237618), (129, 163938), (178, 118809), (258, 81969), (267, 79206), (307, 68886), (387, 54646), (534, 39603), (614, 34443), (774, 27323), (801, 26402), (921, 22962), (1602, 13201), (1842, 11481), (2763, 7654), (3827, 5526)]