21423948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:903

約数の個数: 96

約数和(自身を含む): 64275456

約数和(自身を除く): 42851508

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 52, 69, 78, 84, 91, 92, 138, 156, 161, 182, 273, 276, 299, 322, 364, 483, 546, 598, 644, 853, 897, 966, 1092, 1196, 1706, 1794, 1932, 2093, 2559, 3412, 3588, 4186, 5118, 5971, 6279, 8372, 10236, 11089, 11942, 12558, 17913, 19619, 22178, 23884, 25116, 33267, 35826, 39238, 44356, 58857, 66534, 71652, 77623, 78476, 117714, 133068, 137333, 155246, 232869, 235428, 255047, 274666, 310492, 411999, 465738, 510094, 549332, 765141, 823998, 931476, 1020188, 1530282, 1647996, 1785329, 3060564, 3570658, 5355987, 7141316, 10711974, 21423948]

約数ペア:

[(1, 21423948), (2, 10711974), (3, 7141316), (4, 5355987), (6, 3570658), (7, 3060564), (12, 1785329), (13, 1647996), (14, 1530282), (21, 1020188), (23, 931476), (26, 823998), (28, 765141), (39, 549332), (42, 510094), (46, 465738), (52, 411999), (69, 310492), (78, 274666), (84, 255047), (91, 235428), (92, 232869), (138, 155246), (156, 137333), (161, 133068), (182, 117714), (273, 78476), (276, 77623), (299, 71652), (322, 66534), (364, 58857), (483, 44356), (546, 39238), (598, 35826), (644, 33267), (853, 25116), (897, 23884), (966, 22178), (1092, 19619), (1196, 17913), (1706, 12558), (1794, 11942), (1932, 11089), (2093, 10236), (2559, 8372), (3412, 6279), (3588, 5971), (4186, 5118)]