21379064

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1321}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 48702480

約数和(自身を除く): 27323416

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 1321, 2023, 2312, 2642, 4046, 5284, 8092, 9247, 10568, 16184, 18494, 22457, 36988, 44914, 73976, 89828, 157199, 179656, 314398, 381769, 628796, 763538, 1257592, 1527076, 2672383, 3054152, 5344766, 10689532, 21379064]

約数ペア:

[(1, 21379064), (2, 10689532), (4, 5344766), (7, 3054152), (8, 2672383), (14, 1527076), (17, 1257592), (28, 763538), (34, 628796), (56, 381769), (68, 314398), (119, 179656), (136, 157199), (238, 89828), (289, 73976), (476, 44914), (578, 36988), (952, 22457), (1156, 18494), (1321, 16184), (2023, 10568), (2312, 9247), (2642, 8092), (4046, 5284)]