21128112

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4733}}^1$

素因数の和:4778

約数の個数: 60

約数和(自身を含む): 61049664

約数和(自身を除く): 39921552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4733, 9466, 14199, 18932, 28398, 37864, 42597, 56796, 75728, 85194, 113592, 146723, 170388, 227184, 293446, 340776, 440169, 586892, 681552, 880338, 1173784, 1320507, 1760676, 2347568, 2641014, 3521352, 5282028, 7042704, 10564056, 21128112]

約数ペア:

[(1, 21128112), (2, 10564056), (3, 7042704), (4, 5282028), (6, 3521352), (8, 2641014), (9, 2347568), (12, 1760676), (16, 1320507), (18, 1173784), (24, 880338), (31, 681552), (36, 586892), (48, 440169), (62, 340776), (72, 293446), (93, 227184), (124, 170388), (144, 146723), (186, 113592), (248, 85194), (279, 75728), (372, 56796), (496, 42597), (558, 37864), (744, 28398), (1116, 18932), (1488, 14199), (2232, 9466), (4464, 4733)]