21710988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2017}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 61702368

約数和(自身を除く): 39991380

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2017, 2691, 3588, 4034, 5382, 6051, 8068, 10764, 12102, 18153, 24204, 26221, 36306, 46391, 52442, 72612, 78663, 92782, 104884, 139173, 157326, 185564, 235989, 278346, 314652, 417519, 471978, 556692, 603083, 835038, 943956, 1206166, 1670076, 1809249, 2412332, 3618498, 5427747, 7236996, 10855494, 21710988]

約数ペア:

[(1, 21710988), (2, 10855494), (3, 7236996), (4, 5427747), (6, 3618498), (9, 2412332), (12, 1809249), (13, 1670076), (18, 1206166), (23, 943956), (26, 835038), (36, 603083), (39, 556692), (46, 471978), (52, 417519), (69, 314652), (78, 278346), (92, 235989), (117, 185564), (138, 157326), (156, 139173), (207, 104884), (234, 92782), (276, 78663), (299, 72612), (414, 52442), (468, 46391), (598, 36306), (828, 26221), (897, 24204), (1196, 18153), (1794, 12102), (2017, 10764), (2691, 8068), (3588, 6051), (4034, 5382)]