21554835

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15458925

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1427, 3021, 4281, 5035, 7135, 15105, 21405, 27113, 75631, 81339, 135565, 226893, 378155, 406695, 1134465, 1436989, 4310967, 7184945, 21554835]

約数ペア:

[(1, 21554835), (3, 7184945), (5, 4310967), (15, 1436989), (19, 1134465), (53, 406695), (57, 378155), (95, 226893), (159, 135565), (265, 81339), (285, 75631), (795, 27113), (1007, 21405), (1427, 15105), (3021, 7135), (4281, 5035)]