21384844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1423}}^1$

素因数の和:1474

約数の個数: 36

約数和(自身を含む): 42842464

約数和(自身を除く): 21457620

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1423, 2846, 3757, 5692, 7514, 15028, 18499, 24191, 36998, 48382, 73996, 96764, 314483, 411247, 628966, 822494, 1257932, 1644988, 5346211, 10692422, 21384844]

約数ペア:

[(1, 21384844), (2, 10692422), (4, 5346211), (13, 1644988), (17, 1257932), (26, 822494), (34, 628966), (52, 411247), (68, 314483), (221, 96764), (289, 73996), (442, 48382), (578, 36998), (884, 24191), (1156, 18499), (1423, 15028), (2846, 7514), (3757, 5692)]