21897408

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:342

約数の個数: 112

約数和(自身を含む): 64633856

約数和(自身を除く): 42736448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 283, 312, 372, 403, 416, 496, 566, 624, 744, 806, 832, 849, 992, 1132, 1209, 1248, 1488, 1612, 1698, 1984, 2264, 2418, 2496, 2976, 3224, 3396, 3679, 4528, 4836, 5952, 6448, 6792, 7358, 8773, 9056, 9672, 11037, 12896, 13584, 14716, 17546, 18112, 19344, 22074, 25792, 26319, 27168, 29432, 35092, 38688, 44148, 52638, 54336, 58864, 70184, 77376, 88296, 105276, 114049, 117728, 140368, 176592, 210552, 228098, 235456, 280736, 342147, 353184, 421104, 456196, 561472, 684294, 706368, 842208, 912392, 1368588, 1684416, 1824784, 2737176, 3649568, 5474352, 7299136, 10948704, 21897408]

約数ペア:

[(1, 21897408), (2, 10948704), (3, 7299136), (4, 5474352), (6, 3649568), (8, 2737176), (12, 1824784), (13, 1684416), (16, 1368588), (24, 912392), (26, 842208), (31, 706368), (32, 684294), (39, 561472), (48, 456196), (52, 421104), (62, 353184), (64, 342147), (78, 280736), (93, 235456), (96, 228098), (104, 210552), (124, 176592), (156, 140368), (186, 117728), (192, 114049), (208, 105276), (248, 88296), (283, 77376), (312, 70184), (372, 58864), (403, 54336), (416, 52638), (496, 44148), (566, 38688), (624, 35092), (744, 29432), (806, 27168), (832, 26319), (849, 25792), (992, 22074), (1132, 19344), (1209, 18112), (1248, 17546), (1488, 14716), (1612, 13584), (1698, 12896), (1984, 11037), (2264, 9672), (2418, 9056), (2496, 8773), (2976, 7358), (3224, 6792), (3396, 6448), (3679, 5952), (4528, 4836)]