21949950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 60746112

約数和(自身を除く): 38796162

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 53, 55, 66, 75, 106, 110, 150, 159, 165, 251, 265, 275, 318, 330, 502, 530, 550, 583, 753, 795, 825, 1166, 1255, 1325, 1506, 1590, 1650, 1749, 2510, 2650, 2761, 2915, 3498, 3765, 3975, 5522, 5830, 6275, 7530, 7950, 8283, 8745, 12550, 13303, 13805, 14575, 16566, 17490, 18825, 26606, 27610, 29150, 37650, 39909, 41415, 43725, 66515, 69025, 79818, 82830, 87450, 133030, 138050, 146333, 199545, 207075, 292666, 332575, 399090, 414150, 438999, 665150, 731665, 877998, 997725, 1463330, 1995450, 2194995, 3658325, 4389990, 7316650, 10974975, 21949950]

約数ペア:

[(1, 21949950), (2, 10974975), (3, 7316650), (5, 4389990), (6, 3658325), (10, 2194995), (11, 1995450), (15, 1463330), (22, 997725), (25, 877998), (30, 731665), (33, 665150), (50, 438999), (53, 414150), (55, 399090), (66, 332575), (75, 292666), (106, 207075), (110, 199545), (150, 146333), (159, 138050), (165, 133030), (251, 87450), (265, 82830), (275, 79818), (318, 69025), (330, 66515), (502, 43725), (530, 41415), (550, 39909), (583, 37650), (753, 29150), (795, 27610), (825, 26606), (1166, 18825), (1255, 17490), (1325, 16566), (1506, 14575), (1590, 13805), (1650, 13303), (1749, 12550), (2510, 8745), (2650, 8283), (2761, 7950), (2915, 7530), (3498, 6275), (3765, 5830), (3975, 5522)]