21011910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 53637120

約数和(自身を除く): 32625210

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 191, 193, 285, 382, 386, 570, 573, 579, 955, 965, 1146, 1158, 1910, 1930, 2865, 2895, 3629, 3667, 5730, 5790, 7258, 7334, 10887, 11001, 18145, 18335, 21774, 22002, 36290, 36670, 36863, 54435, 55005, 73726, 108870, 110010, 110589, 184315, 221178, 368630, 552945, 700397, 1105890, 1400794, 2101191, 3501985, 4202382, 7003970, 10505955, 21011910]

約数ペア:

[(1, 21011910), (2, 10505955), (3, 7003970), (5, 4202382), (6, 3501985), (10, 2101191), (15, 1400794), (19, 1105890), (30, 700397), (38, 552945), (57, 368630), (95, 221178), (114, 184315), (190, 110589), (191, 110010), (193, 108870), (285, 73726), (382, 55005), (386, 54435), (570, 36863), (573, 36670), (579, 36290), (955, 22002), (965, 21774), (1146, 18335), (1158, 18145), (1910, 11001), (1930, 10887), (2865, 7334), (2895, 7258), (3629, 5790), (3667, 5730)]