21946470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8039}}^1$

素因数の和:8069

約数の個数: 64

約数和(自身を含む): 64834560

約数和(自身を除く): 42888090

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 8039, 16078, 24117, 40195, 48234, 56273, 80390, 104507, 112546, 120585, 168819, 209014, 241170, 281365, 313521, 337638, 522535, 562730, 627042, 731549, 844095, 1045070, 1463098, 1567605, 1688190, 2194647, 3135210, 3657745, 4389294, 7315490, 10973235, 21946470]

約数ペア:

[(1, 21946470), (2, 10973235), (3, 7315490), (5, 4389294), (6, 3657745), (7, 3135210), (10, 2194647), (13, 1688190), (14, 1567605), (15, 1463098), (21, 1045070), (26, 844095), (30, 731549), (35, 627042), (39, 562730), (42, 522535), (65, 337638), (70, 313521), (78, 281365), (91, 241170), (105, 209014), (130, 168819), (182, 120585), (195, 112546), (210, 104507), (273, 80390), (390, 56273), (455, 48234), (546, 40195), (910, 24117), (1365, 16078), (2730, 8039)]