21244548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 57802752

約数和(自身を除く): 36558204

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 31, 39, 46, 52, 62, 69, 78, 92, 93, 124, 138, 156, 186, 191, 276, 299, 372, 382, 403, 573, 598, 713, 764, 806, 897, 1146, 1196, 1209, 1426, 1612, 1794, 2139, 2292, 2418, 2483, 2852, 3588, 4278, 4393, 4836, 4966, 5921, 7449, 8556, 8786, 9269, 9932, 11842, 13179, 14898, 17572, 17763, 18538, 23684, 26358, 27807, 29796, 35526, 37076, 52716, 55614, 57109, 71052, 76973, 111228, 114218, 136183, 153946, 171327, 228436, 230919, 272366, 307892, 342654, 408549, 461838, 544732, 685308, 817098, 923676, 1634196, 1770379, 3540758, 5311137, 7081516, 10622274, 21244548]

約数ペア:

[(1, 21244548), (2, 10622274), (3, 7081516), (4, 5311137), (6, 3540758), (12, 1770379), (13, 1634196), (23, 923676), (26, 817098), (31, 685308), (39, 544732), (46, 461838), (52, 408549), (62, 342654), (69, 307892), (78, 272366), (92, 230919), (93, 228436), (124, 171327), (138, 153946), (156, 136183), (186, 114218), (191, 111228), (276, 76973), (299, 71052), (372, 57109), (382, 55614), (403, 52716), (573, 37076), (598, 35526), (713, 29796), (764, 27807), (806, 26358), (897, 23684), (1146, 18538), (1196, 17763), (1209, 17572), (1426, 14898), (1612, 13179), (1794, 11842), (2139, 9932), (2292, 9269), (2418, 8786), (2483, 8556), (2852, 7449), (3588, 5921), (4278, 4966), (4393, 4836)]