21383730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2776

約数の個数: 64

約数和(自身を含む): 59011200

約数和(自身を除く): 37627470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 2731, 3915, 5462, 7830, 8193, 13655, 16386, 24579, 27310, 40965, 49158, 73737, 79199, 81930, 122895, 147474, 158398, 237597, 245790, 368685, 395995, 475194, 712791, 737370, 791990, 1187985, 1425582, 2138373, 2375970, 3563955, 4276746, 7127910, 10691865, 21383730]

約数ペア:

[(1, 21383730), (2, 10691865), (3, 7127910), (5, 4276746), (6, 3563955), (9, 2375970), (10, 2138373), (15, 1425582), (18, 1187985), (27, 791990), (29, 737370), (30, 712791), (45, 475194), (54, 395995), (58, 368685), (87, 245790), (90, 237597), (135, 158398), (145, 147474), (174, 122895), (261, 81930), (270, 79199), (290, 73737), (435, 49158), (522, 40965), (783, 27310), (870, 24579), (1305, 16386), (1566, 13655), (2610, 8193), (2731, 7830), (3915, 5462)]