21142224

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3636

約数の個数: 60

約数和(自身を含む): 60628932

約数和(自身を除く): 39486708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 246, 328, 369, 492, 656, 738, 984, 1476, 1968, 2952, 3581, 5904, 7162, 10743, 14324, 21486, 28648, 32229, 42972, 57296, 64458, 85944, 128916, 146821, 171888, 257832, 293642, 440463, 515664, 587284, 880926, 1174568, 1321389, 1761852, 2349136, 2642778, 3523704, 5285556, 7047408, 10571112, 21142224]

約数ペア:

[(1, 21142224), (2, 10571112), (3, 7047408), (4, 5285556), (6, 3523704), (8, 2642778), (9, 2349136), (12, 1761852), (16, 1321389), (18, 1174568), (24, 880926), (36, 587284), (41, 515664), (48, 440463), (72, 293642), (82, 257832), (123, 171888), (144, 146821), (164, 128916), (246, 85944), (328, 64458), (369, 57296), (492, 42972), (656, 32229), (738, 28648), (984, 21486), (1476, 14324), (1968, 10743), (2952, 7162), (3581, 5904)]