21827010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 55728000

約数和(自身を除く): 33900990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 149, 190, 257, 285, 298, 447, 514, 570, 745, 771, 894, 1285, 1490, 1542, 2235, 2570, 2831, 3855, 4470, 4883, 5662, 7710, 8493, 9766, 14155, 14649, 16986, 24415, 28310, 29298, 38293, 42465, 48830, 73245, 76586, 84930, 114879, 146490, 191465, 229758, 382930, 574395, 727567, 1148790, 1455134, 2182701, 3637835, 4365402, 7275670, 10913505, 21827010]

約数ペア:

[(1, 21827010), (2, 10913505), (3, 7275670), (5, 4365402), (6, 3637835), (10, 2182701), (15, 1455134), (19, 1148790), (30, 727567), (38, 574395), (57, 382930), (95, 229758), (114, 191465), (149, 146490), (190, 114879), (257, 84930), (285, 76586), (298, 73245), (447, 48830), (514, 42465), (570, 38293), (745, 29298), (771, 28310), (894, 24415), (1285, 16986), (1490, 14649), (1542, 14155), (2235, 9766), (2570, 8493), (2831, 7710), (3855, 5662), (4470, 4883)]