21748272

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 120

約数和(自身を含む): 69709824

約数和(自身を除く): 47961552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 169, 182, 208, 273, 312, 336, 338, 364, 383, 507, 546, 624, 676, 728, 766, 1014, 1092, 1149, 1183, 1352, 1456, 1532, 2028, 2184, 2298, 2366, 2681, 2704, 3064, 3549, 4056, 4368, 4596, 4732, 4979, 5362, 6128, 7098, 8043, 8112, 9192, 9464, 9958, 10724, 14196, 14937, 16086, 18384, 18928, 19916, 21448, 28392, 29874, 32172, 34853, 39832, 42896, 56784, 59748, 64344, 64727, 69706, 79664, 104559, 119496, 128688, 129454, 139412, 194181, 209118, 238992, 258908, 278824, 388362, 418236, 453089, 517816, 557648, 776724, 836472, 906178, 1035632, 1359267, 1553448, 1672944, 1812356, 2718534, 3106896, 3624712, 5437068, 7249424, 10874136, 21748272]

約数ペア:

[(1, 21748272), (2, 10874136), (3, 7249424), (4, 5437068), (6, 3624712), (7, 3106896), (8, 2718534), (12, 1812356), (13, 1672944), (14, 1553448), (16, 1359267), (21, 1035632), (24, 906178), (26, 836472), (28, 776724), (39, 557648), (42, 517816), (48, 453089), (52, 418236), (56, 388362), (78, 278824), (84, 258908), (91, 238992), (104, 209118), (112, 194181), (156, 139412), (168, 129454), (169, 128688), (182, 119496), (208, 104559), (273, 79664), (312, 69706), (336, 64727), (338, 64344), (364, 59748), (383, 56784), (507, 42896), (546, 39832), (624, 34853), (676, 32172), (728, 29874), (766, 28392), (1014, 21448), (1092, 19916), (1149, 18928), (1183, 18384), (1352, 16086), (1456, 14937), (1532, 14196), (2028, 10724), (2184, 9958), (2298, 9464), (2366, 9192), (2681, 8112), (2704, 8043), (3064, 7098), (3549, 6128), (4056, 5362), (4368, 4979), (4596, 4732)]